US Bridges

SH 124 over Hillebrandt Bayou

Good

Jefferson County, Texas · 1.1 MI SW of US 69 · Structure no. 201240036804160

Built
2023
2 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
2,176
2022 count
Owner
State
State Highway Agency

About this bridge

SH 124 over Hillebrandt Bayou is a prestressed concrete stringer/multi-beam or girder carrying SH 124 over Hillebrandt Bayou in Jefferson County, Texas. It was built in 2023, so it is 2 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 2,176 vehicles a day, roughly 7% of them trucks, projected to reach 15,004 by 2039. The structure is 240 ft (73.2 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 124
CrossesHillebrandt Bayou
Location1.1 MI SW of US 69
RouteState Highway 124
CountyJefferson County
StateTexas
Coordinates30.03619, -94.14861
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width51 ft (15.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,176 (2022)
Projected traffic15,004 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SH 124 over Hillebrandt Bayou built?

It was built in 2023, making it 2 years old in 2025.

What condition is SH 124 over Hillebrandt Bayou 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 August 2023.

How much traffic does SH 124 over Hillebrandt Bayou carry?

About 2,176 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SH 124 over Hillebrandt Bayou?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 51 ft wide.

Who owns SH 124 over Hillebrandt Bayou?

It is owned by the State Highway Agency.