US Bridges

SH 317 over S Bosque River

Fair

McLennan County, Texas · 4.1 MI S of US 84 · Structure no. 091610039803009

Built
1939
86 years old, rebuilt 1960
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
4,113
2023 count
Owner
State
State Highway Agency

About this bridge

SH 317 over S Bosque River is a concrete tee beam carrying SH 317 over S Bosque River in McLennan County, Texas. It was built in 1939 and reconstructed in 1960, 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 5 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 4,113 vehicles a day, roughly 11% of them trucks, projected to reach 5,370 by 2037. The structure is 210 ft (64 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSH 317
CrossesS Bosque River
Location4.1 MI S of US 84
RouteState Highway 317
CountyMcLennan County
StateTexas
Coordinates31.38961, -97.38222
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,113 (2023)
Projected traffic5,370 by 2037
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 317 over S Bosque River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1960.

What condition is SH 317 over S Bosque River 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 S Bosque River carry?

About 4,113 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SH 317 over S Bosque River?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 45 ft wide.

Who owns SH 317 over S Bosque River?

It is owned by the State Highway Agency.