Structure 5570038P0000000 · Tishomingo County, MS

Natchez Trace Park over Bear Creek & Tishomingo

Carries Natchez Trace Park over Bear Creek & Tishomingo, 1.7 Miles North Of Ms Rou.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT760 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

760 ft end to end, longest span 177 ft: about 2.1 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197155 years old
Length760.5 ft231.8 m
Daily traffic500counted 2024
Last inspectedMarch 2023every 24 months

Location

StateMississippi
CountyTishomingo
Location1.7 Miles North Of Ms Rou
CarriesNatchez Trace Park
CrossesBear Creek & Tishomingo
Coordinates34.61139, -88.19203

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length760.5 ft (231.8 m)
Max Span177.2 ft (54 m)
Deck Width32.5 ft (9.9 m)
Deck Area2294.8 sq m
Main Spans6
Year Built1971

Traffic

Avg Daily Traffic500 (2024)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerNational Park Service
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number5570038P0000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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