US Bridges

Bu 77A over Big Brushy Creek Relief

Fair

DeWitt County, Texas · 0.81 MI SW of SH 111 · Structure no. 130620026909017

Built
1932
93 years old, rebuilt 1959
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
114 ft
4 main spans
Daily traffic
1,747
2024 count
Owner
State
State Highway Agency

About this bridge

Bu 77A over Big Brushy Creek Relief is a concrete tee beam carrying Bu 77A over Big Brushy Creek Relief in DeWitt County, Texas. It was built in 1932 and reconstructed in 1959, so it is 93 years old, older 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 1,747 vehicles a day, roughly 18% of them trucks, projected to reach 2,990 by 2033. The structure is 114 ft (34.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBu 77A
CrossesBig Brushy Creek Relief
Location0.81 MI SW of SH 111
RouteState Highway 77
StateTexas
Coordinates29.27911, -97.16018
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 protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length114 ft (34.7 m)
Longest span28 ft (8.5 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,747 (2024)
Projected traffic2,990 by 2033
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bu 77A over Big Brushy Creek Relief built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1959.

What condition is Bu 77A over Big Brushy 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 October 2024.

How much traffic does Bu 77A over Big Brushy Creek Relief carry?

About 1,747 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Bu 77A over Big Brushy Creek Relief?

The structure is 114 ft (34.7 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns Bu 77A over Big Brushy Creek Relief?

It is owned by the State Highway Agency.