US Bridges

RM 1431 over Harwell Creek

Fair

Burnet County, Texas · 9.70 MI W of US 281 · Structure no. 140270137804007

Built
1958
67 years old, rebuilt 1967
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
10,452
2020 count
Owner
State
State Highway Agency

About this bridge

RM 1431 over Harwell Creek is a concrete culvert carrying RM 1431 over Harwell Creek in Burnet County, Texas. It was built in 1958 and reconstructed in 1967, so it is 67 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 10,452 vehicles a day, roughly 5% of them trucks, projected to reach 11,766 by 2039. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRM 1431
CrossesHarwell Creek
Location9.70 MI W of US 281
RouteState Highway 1431
StateTexas
Coordinates30.63618, -98.40833
Functional classUrban Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadOther
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,452 (2020)
Projected traffic11,766 by 2039
Trucks5%
Lanes on structure4
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 1431 over Harwell Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1967.

What condition is RM 1431 over Harwell 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 May 2023.

How much traffic does RM 1431 over Harwell Creek carry?

About 10,452 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RM 1431 over Harwell Creek?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m).

Who owns RM 1431 over Harwell Creek?

It is owned by the State Highway Agency.