US Bridges

SH 159 over East Mill Creek

Good

Austin County, Texas · 5.5 MI E of FM 2502 · Structure no. 130080040802028

Built
2019
6 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
796 ft
12 main spans
Daily traffic
2,980
2017 count
Owner
State
State Highway Agency

About this bridge

SH 159 over East Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 159 over East Mill Creek in Austin County, Texas. It was built in 2019, so it is 6 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 2,980 vehicles a day, roughly 10% of them trucks, projected to reach 4,170 by 2037. The structure is 796 ft (242.6 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 159
CrossesEast Mill Creek
Location5.5 MI E of FM 2502
RouteState Highway 159
StateTexas
Coordinates29.95968, -96.3202
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans12
Design loadHL 93
Structure length796 ft (242.6 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,980 (2017)
Projected traffic4,170 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 East Mill Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SH 159 over East Mill Creek 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 February 2023.

How much traffic does SH 159 over East Mill Creek carry?

About 2,980 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is SH 159 over East Mill Creek?

The structure is 796 ft (242.6 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns SH 159 over East Mill Creek?

It is owned by the State Highway Agency.