US Bridges

SH 36 over Armstrong Creek

Fair

Comanche County, Texas · 1.05 MI SE of US 67 · Structure no. 230470018301025

Built
1936
89 years old, rebuilt 1959
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,437
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Armstrong Creek is a concrete culvert carrying SH 36 over Armstrong 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 2,437 vehicles a day, roughly 21% of them trucks, projected to reach 5,490 by 2033. The structure is 23 ft (7 m) long and 68 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH 36
CrossesArmstrong Creek
Location1.05 MI SE of US 67
RouteState Highway 36
CountyComanche County
StateTexas
Coordinates31.89176, -98.56949
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 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
DeckNot applicable
Main spans2
Design loadOther
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width68 ft (20.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,437 (2020)
Projected traffic5,490 by 2033
Trucks21%
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 Armstrong 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 Armstrong 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 Armstrong Creek carry?

About 2,437 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is SH 36 over Armstrong Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 68 ft wide.

Who owns SH 36 over Armstrong Creek?

It is owned by the State Highway Agency.