US Bridges

SH 185 over Live Oak Bayou

Fair

Calhoun County, Texas · 4.00 MI E of FM 1289 · Structure no. 130290014406056

Built
1975
50 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
79 ft
3 main spans
Daily traffic
2,341
2023 count
Owner
State
State Highway Agency

About this bridge

SH 185 over Live Oak Bayou is a concrete slab carrying SH 185 over Live Oak Bayou in Calhoun County, Texas. It was built in 1975, so it is 50 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 2,341 vehicles a day, roughly 12% of them trucks, projected to reach 2,560 by 2033. The structure is 79 ft (24 m) long and 52 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSH 185
CrossesLive Oak Bayou
Location4.00 MI E of FM 1289
RouteState Highway 185
CountyCalhoun County
StateTexas
Coordinates28.43064, -96.4647
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length79 ft (24 m)
Longest span26 ft (8 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,341 (2023)
Projected traffic2,560 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SH 185 over Live Oak Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is SH 185 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 December 2024.

How much traffic does SH 185 over Live Oak Bayou carry?

About 2,341 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SH 185 over Live Oak Bayou?

The structure is 79 ft (24 m) long with a longest span of 26 ft (8 m) and a deck 52 ft wide.

Who owns SH 185 over Live Oak Bayou?

It is owned by the State Highway Agency.