US Bridges

SH 6 over Trib of N Bosque River

Fair

Bosque County, Texas · 0.2 MI N of JCT FM 219 · Structure no. 090180025806055

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
10,880
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Trib of N Bosque River is a concrete culvert carrying SH 6 over Trib of N Bosque River in Bosque County, Texas. It was built in 1940, so it is 85 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 10,880 vehicles a day, roughly 16% of them trucks, projected to reach 15,885 by 2042. The structure is 38 ft (11.6 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 6
CrossesTrib of N Bosque River
Location0.2 MI N of JCT FM 219
RouteState Highway 6
StateTexas
Coordinates31.78478, -97.57823
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length38 ft (11.6 m)
Longest span6 ft (1.8 m)
Deck width65 ft (19.8 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,880 (2023)
Projected traffic15,885 by 2042
Trucks16%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Trib of N Bosque River built?

It was built in 1940, making it 85 years old in 2025.

What condition is SH 6 over Trib of N 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 6 over Trib of N Bosque River carry?

About 10,880 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SH 6 over Trib of N Bosque River?

The structure is 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m) and a deck 65 ft wide.

Who owns SH 6 over Trib of N Bosque River?

It is owned by the State Highway Agency.