US Bridges

SH 6 over Leon River

Fair

Comanche County, Texas · 4.20 MI W of Erath C/L · Structure no. 230470025705028

Built
1950
75 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
642 ft
12 main spans
Daily traffic
3,751
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Leon River is a steel continuous stringer/multi-beam or girder carrying SH 6 over Leon River in Comanche County, Texas. It was built in 1950 and reconstructed in 1990, so it is 75 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 3,751 vehicles a day, roughly 33% of them trucks, projected to reach 6,800 by 2033. The structure is 642 ft (195.7 m) long and 46 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSH 6
CrossesLeon River
Location4.20 MI W of Erath C/L
RouteState Highway 6
CountyComanche County
StateTexas
Coordinates32.10872, -98.49736
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: 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 typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12 (+1 approach)
Design loadOther
Structure length642 ft (195.7 m)
Longest span50 ft (15.2 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,751 (2023)
Projected traffic6,800 by 2033
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 over Leon River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1990.

What condition is SH 6 over Leon 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 August 2023.

How much traffic does SH 6 over Leon River carry?

About 3,751 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is SH 6 over Leon River?

The structure is 642 ft (195.7 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.

Who owns SH 6 over Leon River?

It is owned by the State Highway Agency.