Structure 121700363501026 · Montgomery County, TX

SH 249 SB over FM 1774

Carries SH 249 SB over FM 1774, 0.10 Mi SE Of FM 1774.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,603 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

1,603 ft end to end, longest span 228 ft: about 4.5 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.

Built20206 years old
Length1603.0 ft488.6 m
Daily traffic10,700counted 2020
Last inspectedDecember 2024every 24 months

Location

StateTexas
CountyMontgomery
Location0.10 Mi SE Of FM 1774
CarriesSH 249 SB
CrossesFM 1774
Coordinates30.16633, -95.67426

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1603.0 ft (488.6 m)
Max Span228.0 ft (69.5 m)
Deck Width40.0 ft (12.2 m)
Deck Area5960.9 sq m
Main Spans3
Year Built2020

Traffic

Avg Daily Traffic10,700 (2020)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121700363501026

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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