US Bridges

SH 317 over Harris Creek

Fair

McLennan County, Texas · 0.3 MI N of US 84 · Structure no. 091610039803006

Built
1939
86 years old, rebuilt 1963
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
140 ft
6 main spans
Daily traffic
6,991
2023 count
Owner
State
State Highway Agency

About this bridge

SH 317 over Harris Creek is a concrete slab carrying SH 317 over Harris Creek in McLennan County, Texas. It was built in 1939 and reconstructed in 1963, so it is 86 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 6,991 vehicles a day, roughly 8% of them trucks, projected to reach 9,070 by 2037. The structure is 140 ft (42.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 317
CrossesHarris Creek
Location0.3 MI N of US 84
RouteState Highway 317
CountyMcLennan County
StateTexas
Coordinates31.44623, -97.41054
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length140 ft (42.7 m)
Longest span23 ft (7 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,991 (2023)
Projected traffic9,070 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 317 over Harris Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1963.

What condition is SH 317 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 December 2024.

How much traffic does SH 317 over Harris Creek carry?

About 6,991 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 317 over Harris Creek?

The structure is 140 ft (42.7 m) long with a longest span of 23 ft (7 m) and a deck 44 ft wide.

Who owns SH 317 over Harris Creek?

It is owned by the State Highway Agency.