US Bridges

FM 457 over Live Oak Bayou

Fair

Matagorda County, Texas · 0.50 MI E of FM 2540 · Structure no. 131580060501017

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
3,056
2022 count
Owner
State
State Highway Agency

About this bridge

FM 457 over Live Oak Bayou is a concrete culvert carrying FM 457 over Live Oak Bayou in Matagorda County, Texas. It was built in 1982, so it is 43 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 3,056 vehicles a day, roughly 12% of them trucks, projected to reach 4,645 by 2042. The structure is 46 ft (14 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 457
CrossesLive Oak Bayou
Location0.50 MI E of FM 2540
RouteState Highway 457
CountyMatagorda County
StateTexas
Coordinates28.96163, -95.84682
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 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, cast-in-place
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,056 (2022)
Projected traffic4,645 by 2042
Trucks12%
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 457 over Live Oak Bayou built?

It was built in 1982, making it 43 years old in 2025.

What condition is FM 457 over Live Oak Bayou 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 February 2024.

How much traffic does FM 457 over Live Oak Bayou carry?

About 3,056 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is FM 457 over Live Oak Bayou?

The structure is 46 ft (14 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns FM 457 over Live Oak Bayou?

It is owned by the State Highway Agency.