US Bridges

SH 31 over Davis Branch

Fair

Smith County, Texas · 0.1 MI E of FM 2908 · Structure no. 102120042401018

Built
1961
64 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
61 ft
4 main spans
Daily traffic
14,039
2024 count
Owner
State
State Highway Agency

About this bridge

SH 31 over Davis Branch is a concrete culvert carrying SH 31 over Davis Branch in Smith County, Texas. It was built in 1961, so it is 64 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 14,039 vehicles a day, roughly 9% of them trucks, projected to reach 11,060 by 2033. The structure is 61 ft (18.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 31
CrossesDavis Branch
Location0.1 MI E of FM 2908
RouteState Highway 31
StateTexas
Coordinates32.36122, -95.17049
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,039 (2024)
Projected traffic11,060 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 31 over Davis Branch built?

It was built in 1961, making it 64 years old in 2025.

What condition is SH 31 over Davis Branch 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 March 2023.

How much traffic does SH 31 over Davis Branch carry?

About 14,039 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SH 31 over Davis Branch?

The structure is 61 ft (18.6 m) long with a longest span of 10 ft (3 m).

Who owns SH 31 over Davis Branch?

It is owned by the State Highway Agency.