US Bridges

SH 159 over Brazos River

Good

Waller County, Texas · 0.65 MI SW of FM 3446 · Structure no. 122370040902012

Built
2005
20 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,080 ft
3 main spans
Daily traffic
6,240
2023 count
Owner
State
State Highway Agency

About this bridge

SH 159 over Brazos River is a steel continuous stringer/multi-beam or girder carrying SH 159 over Brazos River in Waller County, Texas. It was built in 2005, so it is 20 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 6,240 vehicles a day, roughly 24% of them trucks, projected to reach 5,530 by 2033. The structure is 1,080 ft (329.2 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSH 159
CrossesBrazos River
Location0.65 MI SW of FM 3446
RouteState Highway 159
StateTexas
Coordinates30.04441, -96.10981
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length1,080 ft (329.2 m)
Longest span280 ft (85.3 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,240 (2023)
Projected traffic5,530 by 2033
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 159 over Brazos River built?

It was built in 2005, making it 20 years old in 2025.

What condition is SH 159 over Brazos River 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 2024.

How much traffic does SH 159 over Brazos River carry?

About 6,240 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is SH 159 over Brazos River?

The structure is 1,080 ft (329.2 m) long with a longest span of 280 ft (85.3 m) and a deck 46 ft wide.

Who owns SH 159 over Brazos River?

It is owned by the State Highway Agency.