US Bridges

Sl 323 over Willow Creek

Fair

Smith County, Texas · 0.2 MI S of SH 110 · Structure no. 102120207501003

Built
1956
69 years old, rebuilt 1967
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
29,881
2018 count
Owner
State
State Highway Agency

About this bridge

Sl 323 over Willow Creek is a concrete culvert carrying Sl 323 over Willow Creek in Smith County, Texas. It was built in 1956 and reconstructed in 1967, so it is 69 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 29,881 vehicles a day, roughly 20% of them trucks, projected to reach 42,680 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSl 323
CrossesWillow Creek
Location0.2 MI S of SH 110
RouteState Highway 323
CountySmith County
StateTexas
Coordinates32.36721, -95.3434
Functional classUrban Other Principal 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 spans3
Design loadOther
Structure length33 ft (10.1 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 traffic29,881 (2018)
Projected traffic42,680 by 2033
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Sl 323 over Willow Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1967.

What condition is Sl 323 over Willow 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 Sl 323 over Willow Creek carry?

About 29,881 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Sl 323 over Willow Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Sl 323 over Willow Creek?

It is owned by the State Highway Agency.