US Bridges

SH 317 over BNSF Railroad

Fair

Bosque County, Texas · 0.4 MI S of SH 6 · Structure no. 090180039801028

Built
1954
71 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
346 ft
3 main spans
Daily traffic
2,245
2020 count
Owner
State
State Highway Agency

About this bridge

SH 317 over BNSF Railroad is a steel continuous stringer/multi-beam or girder carrying SH 317 over BNSF Railroad in Bosque County, Texas. It was built in 1954, so it is 71 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 2,245 vehicles a day, roughly 14% of them trucks, projected to reach 2,273 by 2039. The structure is 346 ft (105.5 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesSH 317
CrossesBNSF Railroad
Location0.4 MI S of SH 6
RouteState Highway 317
CountyBosque County
StateTexas
Coordinates31.65249, -97.47015
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadOther
Structure length346 ft (105.5 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,245 (2020)
Projected traffic2,273 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed11.2 mi (18 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$261,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 317 over BNSF Railroad built?

It was built in 1954, making it 71 years old in 2025.

What condition is SH 317 over BNSF Railroad 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 November 2024.

How much traffic does SH 317 over BNSF Railroad carry?

About 2,245 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 317 over BNSF Railroad?

The structure is 346 ft (105.5 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns SH 317 over BNSF Railroad?

It is owned by the State Highway Agency.