US Bridges

Bus 20 over Lone Wolf Creek

Fair

Mitchell County, Texas · 0.2 MI E of SH 208 (n) · Structure no. 081680000512018

Built
1924
101 years old, rebuilt 1936
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
132 ft
4 main spans
Daily traffic
2,385
2023 count
Owner
State
State Highway Agency

About this bridge

Bus 20 over Lone Wolf Creek is a concrete tee beam carrying Bus 20 over Lone Wolf Creek in Mitchell County, Texas. It was built in 1924 and reconstructed in 1936, so it is 101 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 2,385 vehicles a day, roughly 15% of them trucks, projected to reach 3,580 by 2033. The structure is 132 ft (40.2 m) long and 53 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBus 20
CrossesLone Wolf Creek
Location0.2 MI E of SH 208 (n)
RouteState Highway 20
StateTexas
Coordinates32.38812, -100.86026
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length132 ft (40.2 m)
Longest span33 ft (10.1 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,385 (2023)
Projected traffic3,580 by 2033
Trucks15%
Lanes on structure2
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 statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$133,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bus 20 over Lone Wolf Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1936.

What condition is Bus 20 over Lone Wolf 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 Bus 20 over Lone Wolf Creek carry?

About 2,385 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Bus 20 over Lone Wolf Creek?

The structure is 132 ft (40.2 m) long with a longest span of 33 ft (10.1 m) and a deck 53 ft wide.

Who owns Bus 20 over Lone Wolf Creek?

It is owned by the State Highway Agency.