Structure A0485 · Hot Spring County, AR

US 70-7 Log 1.65 over Br. Little Marzarn Cr.

Carries US 70-7 Log 1.65 over Br. Little Marzarn Cr., 1.65mi NE Montgomery Co.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

39 ft end to end. Lengths and the car 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 tee-beam bridge.

Built1928rebuilt 1976
Length39.0 ft11.9 m
Daily traffic5,577counted 2018
Last inspectedAugust 2023every 24 months

Location

StateArkansas
CountyHot Spring
Location1.65mi NE Montgomery Co
CarriesUS 70-7 Log 1.65
CrossesBr. Little Marzarn Cr.
Coordinates34.38411, -93.38325

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length39.0 ft (11.9 m)
Max Span39.0 ft (11.9 m)
Deck Width32.5 ft (9.9 m)
Deck Area117.8 sq m
Main Spans1
Year Built1928 (reconstructed 1976)

Traffic

Avg Daily Traffic5,577 (2018)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000000000A0485

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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