Structure 161490007307225 · Live Oak County, TX

FM 99 over IH 37

Carries FM 99 over IH 37, 7.1 Mi N Of FM 2049.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT320 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

320 ft end to end, longest span 95 ft: about 4 semi-trucks nose to tail. 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.

Built197848 years old
Length319.9 ft97.5 m
Daily traffic3,010counted 2013
Last inspectedFebruary 2024every 24 months

Location

StateTexas
CountyLive Oak
Location7.1 Mi N Of FM 2049
CarriesFM 99
CrossesIH 37
Coordinates28.66332, -98.25451

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length319.9 ft (97.5 m)
Max Span95.1 ft (29 m)
Deck Width36.4 ft (11.1 m)
Deck Area1082.2 sq m
Main Spans2
Year Built1978

Traffic

Avg Daily Traffic3,010 (2013)
Truck Traffic23%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number161490007307225

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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