US Bridges

SH 36 over Durgan Creek

Fair

Comanche County, Texas · 2.45 MI SE of US 67 · Structure no. 230470018301026

Built
1936
89 years old, rebuilt 1959
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
2,367
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Durgan Creek is a concrete culvert carrying SH 36 over Durgan Creek in Comanche County, Texas. It was built in 1936 and reconstructed in 1959, so it is 89 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 2,367 vehicles a day, roughly 27% of them trucks, projected to reach 4,490 by 2033. The structure is 23 ft (7 m) long and 56 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH 36
CrossesDurgan Creek
Location2.45 MI SE of US 67
RouteState Highway 36
CountyComanche County
StateTexas
Coordinates31.88698, -98.54685
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width56 ft (17.2 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,367 (2020)
Projected traffic4,490 by 2033
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Durgan Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1959.

What condition is SH 36 over Durgan 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 August 2023.

How much traffic does SH 36 over Durgan Creek carry?

About 2,367 vehicles per day (2020 count), of which roughly 27% are trucks.

How long is SH 36 over Durgan Creek?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m) and a deck 56 ft wide.

Who owns SH 36 over Durgan Creek?

It is owned by the State Highway Agency.