US Bridges

FM 1373 over Little Brazos Slough

Good

Robertson County, Texas · 4.0 MI SW of SH 6 · Structure no. 171980054006039

Built
1987
38 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
32 ft
1 main span
Daily traffic
136
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1373 over Little Brazos Slough is a concrete stringer/multi-beam or girder carrying FM 1373 over Little Brazos Slough in Robertson County, Texas. It was built in 1987, so it is 38 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 136 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2033. The structure is 32 ft (9.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 1373
CrossesLittle Brazos Slough
Location4.0 MI SW of SH 6
RouteState Highway 1373
StateTexas
Coordinates31.10838, -96.78118
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2023)
Projected traffic80 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1373 over Little Brazos Slough built?

It was built in 1987, making it 38 years old in 2025.

What condition is FM 1373 over Little Brazos Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does FM 1373 over Little Brazos Slough carry?

About 136 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FM 1373 over Little Brazos Slough?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.2 m) and a deck 36 ft wide.

Who owns FM 1373 over Little Brazos Slough?

It is owned by the State Highway Agency.