US Bridges

SH 6 over Boulder Creek

Fair

Bosque County, Texas · 1.2 MI NW of SH 22 · Structure no. 090180025805036

Built
1934
91 years old, rebuilt 2024
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
4,711
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Boulder Creek is a concrete culvert carrying SH 6 over Boulder Creek in Bosque County, Texas. It was built in 1934 and reconstructed in 2024, so it is 91 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 4,711 vehicles a day, roughly 13% of them trucks, projected to reach 7,255 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSH 6
CrossesBoulder Creek
Location1.2 MI NW of SH 22
RouteState Highway 6
CountyBosque County
StateTexas
Coordinates31.92434, -97.68147
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 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
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,711 (2023)
Projected traffic7,255 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 over Boulder Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2024.

What condition is SH 6 over Boulder 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 6 over Boulder Creek carry?

About 4,711 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SH 6 over Boulder Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns SH 6 over Boulder Creek?

It is owned by the State Highway Agency.