US Bridges

FM 812 over Drainage Ditch

Good

Travis County, Texas · 0.03 MI W of Bastrop C/L · Structure no. 142270114901086

Built
1989
36 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
15,556
2023 count
Owner
State
State Highway Agency

About this bridge

FM 812 over Drainage Ditch is a concrete culvert carrying FM 812 over Drainage Ditch in Travis County, Texas. It was built in 1989, so it is 36 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 15,556 vehicles a day, roughly 7% of them trucks, projected to reach 21,778 by 2042. The structure is 27 ft (8.2 m) long and 86 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 812
CrossesDrainage Ditch
Location0.03 MI W of Bastrop C/L
RouteState Highway 812
StateTexas
Coordinates30.10281, -97.61151
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span5 ft (1.5 m)
Deck width86 ft (26.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,556 (2023)
Projected traffic21,778 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 812 over Drainage Ditch built?

It was built in 1989, making it 36 years old in 2025.

What condition is FM 812 over Drainage Ditch 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 December 2024.

How much traffic does FM 812 over Drainage Ditch carry?

About 15,556 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 812 over Drainage Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 5 ft (1.5 m) and a deck 86 ft wide.

Who owns FM 812 over Drainage Ditch?

It is owned by the State Highway Agency.