US Bridges

SH 124 over Spindletop Bayou

Fair

Chambers County, Texas · 2.8 MI S of SH 65 · Structure no. 200360036701019

Built
1956
69 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
2,438
2022 count
Owner
State
State Highway Agency

About this bridge

SH 124 over Spindletop Bayou is a concrete stringer/multi-beam or girder carrying SH 124 over Spindletop Bayou in Chambers County, Texas. It was built in 1956, so it is 69 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 2,438 vehicles a day, roughly 8% of them trucks, projected to reach 2,810 by 2033. The structure is 121 ft (36.9 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesSH 124
CrossesSpindletop Bayou
Location2.8 MI S of SH 65
RouteState Highway 124
CountyChambers County
StateTexas
Coordinates29.75363, -94.37652
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,438 (2022)
Projected traffic2,810 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

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 124 over Spindletop Bayou built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 124 over Spindletop 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 May 2024.

How much traffic does SH 124 over Spindletop Bayou carry?

About 2,438 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SH 124 over Spindletop Bayou?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns SH 124 over Spindletop Bayou?

It is owned by the State Highway Agency.