US Bridges

Robert Lee ST over IH 20

Fair

Nolan County, Texas · 1.00 MI W of SH 70 · Structure no. 081770000602237

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
300 ft
4 main spans
Daily traffic
381
2020 count
Owner
State
State Highway Agency

About this bridge

Robert Lee ST over IH 20 is a concrete continuous tee beam carrying Robert Lee ST over IH 20 in Nolan County, Texas. It was built in 1960, so it is 65 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 381 vehicles a day, projected to reach 400 by 2033. The structure is 300 ft (91.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRobert Lee ST
CrossesIH 20
Location1.00 MI W of SH 70
RouteCounty Highway 0
CountyNolan County
StateTexas
Coordinates32.44779, -100.41544
Functional classUrban 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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadOther
Structure length300 ft (91.4 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic381 (2020)
Projected traffic400 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Robert Lee ST over IH 20 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Robert Lee ST 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 Robert Lee ST over IH 20 carry?

About 381 vehicles per day (2020 count).

How long is Robert Lee ST over IH 20?

The structure is 300 ft (91.4 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns Robert Lee ST over IH 20?

It is owned by the State Highway Agency.