US Bridges

CR 3510 over Willow Creek

FairPosted for load

Bosque County, Texas · 2.6 MI NE of FM 56 · Structure no. 090180AA0319001

Built
1935
90 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
25
2016 count
Owner
County
County Highway Agency

About this bridge

CR 3510 over Willow Creek is a concrete culvert carrying CR 3510 over Willow Creek in Bosque County, Texas. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 45 by 2036. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 3510
CrossesWillow Creek
Location2.6 MI NE of FM 56
RouteCounty Highway 3510
CountyBosque County
StateTexas
Coordinates31.78004, -97.41901
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than 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 spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2016)
Projected traffic45 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$208,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 3510 over Willow Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is CR 3510 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 January 2024.

How much traffic does CR 3510 over Willow Creek carry?

About 25 vehicles per day (2016 count).

How long is CR 3510 over Willow Creek?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 16 ft wide.

Who owns CR 3510 over Willow Creek?

It is owned by the County Highway Agency.