US Bridges

SH 6 over Armstrong Creek

Fair

Comanche County, Texas · 3.20 MI W of Erath C/L · Structure no. 230470025705029

Built
1950
75 years old, rebuilt 1965
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
150 ft
6 main spans
Daily traffic
3,678
2020 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Armstrong Creek is a concrete continuous slab carrying SH 6 over Armstrong Creek in Comanche County, Texas. It was built in 1950 and reconstructed in 1965, 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 3,678 vehicles a day, roughly 33% of them trucks, projected to reach 5,900 by 2033. The structure is 150 ft (45.7 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
CrossesArmstrong Creek
Location3.20 MI W of Erath C/L
RouteState Highway 6
CountyComanche County
StateTexas
Coordinates32.10292, -98.48114
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
Deck7 GoodSome minor problems.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length150 ft (45.7 m)
Longest span25 ft (7.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,678 (2020)
Projected traffic5,900 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 Armstrong Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.

What condition is SH 6 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 6 over Armstrong Creek carry?

About 3,678 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is SH 6 over Armstrong Creek?

The structure is 150 ft (45.7 m) long with a longest span of 25 ft (7.6 m) and a deck 46 ft wide.

Who owns SH 6 over Armstrong Creek?

It is owned by the State Highway Agency.