US Bridges

Spur 312 over Sanchez Creek

Fair

Parker County, Texas · 2.0 MI SW of US-180 · Structure no. 021840031401001

Built
1933
92 years old, rebuilt 1959
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
52 ft
6 main spans
Daily traffic
6,935
2023 count
Owner
State
State Highway Agency

About this bridge

Spur 312 over Sanchez Creek is a concrete culvert carrying Spur 312 over Sanchez Creek in Parker County, Texas. It was built in 1933 and reconstructed in 1959, so it is 92 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 6,935 vehicles a day, roughly 8% of them trucks, projected to reach 6,140 by 2040. The structure is 52 ft (15.9 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSpur 312
CrossesSanchez Creek
Location2.0 MI SW of US-180
RouteState Highway 312
CountyParker County
StateTexas
Coordinates32.74323, -97.84528
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span8 ft (2.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,935 (2023)
Projected traffic6,140 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Spur 312 over Sanchez Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1959.

What condition is Spur 312 over Sanchez 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 September 2024.

How much traffic does Spur 312 over Sanchez Creek carry?

About 6,935 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Spur 312 over Sanchez Creek?

The structure is 52 ft (15.9 m) long with a longest span of 8 ft (2.4 m) and a deck 42 ft wide.

Who owns Spur 312 over Sanchez Creek?

It is owned by the State Highway Agency.