US Bridges

FM 1373 over Buzzard Slough

Fair

Robertson County, Texas · 3.9 MI SW of SH 6 · Structure no. 171980054006040

Built
1987
38 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
61 ft
2 main spans
Daily traffic
136
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1373 over Buzzard Slough is a concrete stringer/multi-beam or girder carrying FM 1373 over Buzzard 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 136 vehicles a day, roughly 10% of them trucks, projected to reach 190 by 2042. The structure is 61 ft (18.6 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 1373
CrossesBuzzard Slough
Location3.9 MI SW of SH 6
RouteState Highway 1373
StateTexas
Coordinates31.10938, -96.77927
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans2
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 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 traffic190 by 2042
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 Buzzard Slough built?

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

What condition is FM 1373 over Buzzard Slough in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does FM 1373 over Buzzard Slough carry?

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

How long is FM 1373 over Buzzard Slough?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns FM 1373 over Buzzard Slough?

It is owned by the State Highway Agency.