Structure 21120008004056 · Hood County, TX

US 377 SB (wb) over Ramp B

Carries US 377 SB (wb) over Ramp B, 0.5 Mi W Of Fm-4.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT136 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

136 ft end to end, longest span 50 ft. 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.

Built196660 years old
Length136.2 ft41.5 m
Daily traffic33,938counted 2020
Last inspectedDecember 2022every 48 months

Location

StateTexas
CountyHood
Location0.5 Mi W Of Fm-4
CarriesUS 377 SB (wb)
CrossesRamp B
Coordinates32.43942, -97.76261

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length136.2 ft (41.5 m)
Max Span49.9 ft (15.2 m)
Deck Width40.4 ft (12.3 m)
Deck Area510.4 sq m
Main Spans2
Year Built1966

Traffic

Avg Daily Traffic33,938 (2020)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge1

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number021120008004056

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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