US Bridges

SH 31 WB over Navasota River Relief

Good

Hill County, Texas · 0.7 MI NE of FM 339 · Structure no. 091100016202108

Built
2011
14 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
2 main spans
Daily traffic
5,500
2011 count
Owner
State
State Highway Agency

About this bridge

SH 31 WB over Navasota River Relief is a prestressed concrete stringer/multi-beam or girder carrying SH 31 WB over Navasota River Relief in Hill County, Texas. It was built in 2011, so it is 14 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 5,500 vehicles a day, roughly 10% of them trucks, projected to reach 9,020 by 2029. The structure is 130 ft (39.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 31 WB
CrossesNavasota River Relief
Location0.7 MI NE of FM 339
RouteState Highway 31
StateTexas
Coordinates31.77274, -96.87393
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length130 ft (39.6 m)
Longest span75 ft (22.9 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2011)
Projected traffic9,020 by 2029
Trucks10%
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 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 31 WB over Navasota River Relief built?

It was built in 2011, making it 14 years old in 2025.

What condition is SH 31 WB over Navasota River Relief 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 January 2023.

How much traffic does SH 31 WB over Navasota River Relief carry?

About 5,500 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is SH 31 WB over Navasota River Relief?

The structure is 130 ft (39.6 m) long with a longest span of 75 ft (22.9 m) and a deck 40 ft wide.

Who owns SH 31 WB over Navasota River Relief?

It is owned by the State Highway Agency.