US Bridges

FM 1879 over Rita Blanca Creek

Good

Dallam County, Texas · 7.1 MI N of US 87 · Structure no. 040560181101001

Built
1953
72 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
300 ft
12 main spans
Daily traffic
131
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1879 over Rita Blanca Creek is a concrete slab carrying FM 1879 over Rita Blanca Creek in Dallam County, Texas. It was built in 1953, so it is 72 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 131 vehicles a day, roughly 26% of them trucks, projected to reach 180 by 2033. The structure is 300 ft (91.4 m) long and 25 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesFM 1879
CrossesRita Blanca Creek
Location7.1 MI N of US 87
RouteState Highway 1879
StateTexas
Coordinates36.31208, -102.79527
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadOther
Structure length300 ft (91.4 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131 (2020)
Projected traffic180 by 2033
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 FM 1879 over Rita Blanca Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is FM 1879 over Rita Blanca Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does FM 1879 over Rita Blanca Creek carry?

About 131 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is FM 1879 over Rita Blanca Creek?

The structure is 300 ft (91.4 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 1879 over Rita Blanca Creek?

It is owned by the State Highway Agency.