US Bridges

FM 811 over Clapps Creek

Fair

Leon County, Texas · 6.5 MI NE of FM 1119 · Structure no. 171450114502019

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
609
2020 count
Owner
State
State Highway Agency

About this bridge

FM 811 over Clapps Creek is a concrete stringer/multi-beam or girder carrying FM 811 over Clapps Creek 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 609 vehicles a day, roughly 15% of them trucks, projected to reach 1,160 by 2033. The structure is 121 ft (36.9 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 811
CrossesClapps Creek
Location6.5 MI NE of FM 1119
RouteState Highway 811
CountyLeon County
StateTexas
Coordinates31.24226, -95.8128
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2020)
Projected traffic1,160 by 2033
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 811 over Clapps Creek built?

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

What condition is FM 811 over Clapps Creek 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 811 over Clapps Creek carry?

About 609 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is FM 811 over Clapps Creek?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns FM 811 over Clapps Creek?

It is owned by the State Highway Agency.