Structure 310014906412810 · Simpson County, MS

SR 149 over Sellers Creek

Carries SR 149 over Sellers Creek, 0.7 Mi N SR 13.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT570 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

570 ft end to end: about 1.6 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.

Built20242 years old
Length569.9 ft173.7 m
Daily traffic3,400counted 2023

Location

StateMississippi
CountySimpson
Location0.7 Mi N SR 13
CarriesSR 149
CrossesSellers Creek
Coordinates31.97282, -89.89339

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length569.9 ft (173.7 m)
Max Span129.9 ft (39.6 m)
Deck Width42.7 ft (13 m)
Deck Area2258.1 sq m
Main Spans1
Year Built2024

Traffic

Avg Daily Traffic3,400 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number310014906412810

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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