US Bridges

CR Bb over Tierra Blanca Creek

FairPosted for load

Deaf Smith County, Texas · 3.4 MI S of US 60 · Structure no. 040590AA0259001

Built
1950
75 years old, rebuilt 1980
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

CR Bb over Tierra Blanca Creek is a steel continuous stringer/multi-beam or girder carrying CR Bb over Tierra Blanca Creek in Deaf Smith County, Texas. It was built in 1950 and reconstructed in 1980, 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 3% of them trucks, projected to reach 70 by 2027. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesCR Bb
CrossesTierra Blanca Creek
Location3.4 MI S of US 60
RouteCounty Highway 0
CountyDeaf Smith County
StateTexas
Coordinates34.84782, -102.22312
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic70 by 2027
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR Bb over Tierra Blanca Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1980.

What condition is CR Bb over Tierra Blanca 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 November 2024.

How much traffic does CR Bb over Tierra Blanca Creek carry?

About 10 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is CR Bb over Tierra Blanca Creek?

The structure is 50 ft (15.2 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns CR Bb over Tierra Blanca Creek?

It is owned by the County Highway Agency.