US Bridges

Lehmann Whorton RD over IH 20

Fair

Nolan County, Texas · 0.60 MI E of Mitchell C/L · Structure no. 081770000602302

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
350 ft
4 main spans
Daily traffic
7
2020 count
Owner
State
State Highway Agency

About this bridge

Lehmann Whorton RD over IH 20 is a concrete continuous tee beam carrying Lehmann Whorton RD over IH 20 in Nolan County, Texas. It was built in 1967, so it is 58 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 7 vehicles a day, projected to reach 25 by 2033. The structure is 350 ft (106.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLehmann Whorton RD
CrossesIH 20
Location0.60 MI E of Mitchell C/L
RouteCounty Highway 0
CountyNolan County
StateTexas
Coordinates32.41259, -100.6525
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadH 15
Structure length350 ft (106.7 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (2020)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lehmann Whorton RD over IH 20 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Lehmann Whorton RD over IH 20 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 March 2023.

How much traffic does Lehmann Whorton RD over IH 20 carry?

About 7 vehicles per day (2020 count).

How long is Lehmann Whorton RD over IH 20?

The structure is 350 ft (106.7 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns Lehmann Whorton RD over IH 20?

It is owned by the State Highway Agency.