US Bridges

SH 36 over South Leon River

Fair

Comanche County, Texas · 1.95 MI W of FM 1702 · Structure no. 230470018301035

Built
1939
86 years old, rebuilt 1964
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
195 ft
3 main spans
Daily traffic
1,456
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over South Leon River is a steel continuous stringer/multi-beam or girder carrying SH 36 over South Leon River in Comanche County, Texas. It was built in 1939 and reconstructed in 1964, so it is 86 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 1,456 vehicles a day, roughly 27% of them trucks, projected to reach 3,930 by 2033. The structure is 195 ft (59.4 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSH 36
CrossesSouth Leon River
Location1.95 MI W of FM 1702
RouteState Highway 36
CountyComanche County
StateTexas
Coordinates31.84779, -98.37068
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,456 (2020)
Projected traffic3,930 by 2033
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 SH 36 over South Leon River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1964.

What condition is SH 36 over South 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 36 over South Leon River carry?

About 1,456 vehicles per day (2020 count), of which roughly 27% are trucks.

How long is SH 36 over South Leon River?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 44 ft wide.

Who owns SH 36 over South Leon River?

It is owned by the State Highway Agency.