US Bridges

SH 155 NB over Mound Prairie Creek

Fair

Anderson County, Texas · 15.5 MI S of US 175 · Structure no. 100010052008016

Built
1947
78 years old, rebuilt 1970
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
270 ft
10 main spans
Daily traffic
3,902
2020 count
Owner
State
State Highway Agency

About this bridge

SH 155 NB over Mound Prairie Creek is a concrete continuous slab carrying SH 155 NB over Mound Prairie Creek in Anderson County, Texas. It was built in 1947 and reconstructed in 1970, so it is 78 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 3,902 vehicles a day, roughly 5% of them trucks, projected to reach 4,350 by 2033. The structure is 270 ft (82.3 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 155 NB
CrossesMound Prairie Creek
Location15.5 MI S of US 175
RouteState Highway 155
StateTexas
Coordinates31.84384, -95.58607
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating62.9 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length270 ft (82.3 m)
Longest span30 ft (9.1 m)
Deck width51 ft (15.4 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,902 (2020)
Projected traffic4,350 by 2033
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$380,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 155 NB over Mound Prairie Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1970.

What condition is SH 155 NB over Mound Prairie Creek 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 2022.

How much traffic does SH 155 NB over Mound Prairie Creek carry?

About 3,902 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 155 NB over Mound Prairie Creek?

The structure is 270 ft (82.3 m) long with a longest span of 30 ft (9.1 m) and a deck 51 ft wide.

Who owns SH 155 NB over Mound Prairie Creek?

It is owned by the State Highway Agency.