US Bridges

FM 831 over Buffalo Creek Relief

Fair

Leon County, Texas · 3.55 MI NE of FM 1511 · Structure no. 171450114501016

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
227
2020 count
Owner
State
State Highway Agency

About this bridge

FM 831 over Buffalo Creek Relief is a concrete stringer/multi-beam or girder carrying FM 831 over Buffalo Creek Relief in Leon County, Texas. It was built in 1988, so it is 37 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 227 vehicles a day, roughly 24% of them trucks, projected to reach 360 by 2033. The structure is 91 ft (27.7 m) long and 36 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesFM 831
CrossesBuffalo Creek Relief
Location3.55 MI NE of FM 1511
RouteState Highway 831
CountyLeon County
StateTexas
Coordinates31.44639, -95.87027
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 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 traffic227 (2020)
Projected traffic360 by 2033
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed26.1 mi (42 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 831 over Buffalo Creek Relief built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM 831 over Buffalo Creek Relief 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 March 2023.

How much traffic does FM 831 over Buffalo Creek Relief carry?

About 227 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is FM 831 over Buffalo Creek Relief?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns FM 831 over Buffalo Creek Relief?

It is owned by the State Highway Agency.