US Bridges

SH 31 over Harris Creek

Fair

Smith County, Texas · 0.9 MI E of FM 850 · Structure no. 102120042401016

Built
1961
64 years old, rebuilt 2015
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
15,256
2024 count
Owner
State
State Highway Agency

About this bridge

SH 31 over Harris Creek is a concrete culvert carrying SH 31 over Harris Creek in Smith County, Texas. It was built in 1961 and reconstructed in 2015, 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 15,256 vehicles a day, roughly 7% of them trucks, projected to reach 11,480 by 2033. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSH 31
CrossesHarris Creek
Location0.9 MI E of FM 850
RouteState Highway 31
CountySmith County
StateTexas
Coordinates32.35627, -95.20229
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 spans5
Design loadHS 20
Structure length54 ft (16.5 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 traffic15,256 (2024)
Projected traffic11,480 by 2033
Trucks7%
Lanes on structure3
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 Harris Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2015.

What condition is SH 31 over Harris 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 March 2023.

How much traffic does SH 31 over Harris Creek carry?

About 15,256 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SH 31 over Harris Creek?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m).

Who owns SH 31 over Harris Creek?

It is owned by the State Highway Agency.