US Bridges

SH 31 Wbml over FM 939

Good

McLennan County, Texas · 4.28 MI North of FM 1330 · Structure no. 091610016201414

Built
2022
3 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
267 ft
3 main spans
Daily traffic
6,101
2019 count
Owner
State
State Highway Agency

About this bridge

SH 31 Wbml over FM 939 is a prestressed concrete stringer/multi-beam or girder carrying SH 31 Wbml over FM 939 in McLennan County, Texas. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,101 vehicles a day, roughly 5% of them trucks, projected to reach 1 by 1900. The structure is 267 ft (81.4 m) long and 40 ft wide.

CarriesSH 31 Wbml
CrossesFM 939
Location4.28 MI North of FM 1330
RouteState Highway 31
StateTexas
Coordinates31.70985, -96.93685
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length267 ft (81.4 m)
Longest span127 ft (38.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,101 (2019)
Projected traffic1 by 1900
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 31 Wbml over FM 939 built?

It was built in 2022, making it 3 years old in 2025.

What condition is SH 31 Wbml over FM 939 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 31 Wbml over FM 939 carry?

About 6,101 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is SH 31 Wbml over FM 939?

The structure is 267 ft (81.4 m) long with a longest span of 127 ft (38.7 m) and a deck 40 ft wide.

Who owns SH 31 Wbml over FM 939?

It is owned by the State Highway Agency.