US Bridges

Bus Loop 20 (n) over IH 20

Fair

Taylor County, Texas · 0.35 MI E of Nolan C/L · Structure no. 082210000604103

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
192 ft
4 main spans
Daily traffic
106
2023 count
Owner
State
State Highway Agency

About this bridge

Bus Loop 20 (n) over IH 20 is a concrete continuous tee beam carrying Bus Loop 20 (n) over IH 20 in Taylor County, Texas. It was built in 1958, so it is 67 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 106 vehicles a day, roughly 32% of them trucks, projected to reach 220 by 2033. The structure is 192 ft (58.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBus Loop 20 (n)
CrossesIH 20
Location0.35 MI E of Nolan C/L
RouteState Highway 20
StateTexas
Coordinates32.49526, -100.14157
Functional classRural Major 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.
Last inspectionApril 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 rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length192 ft (58.5 m)
Longest span57 ft (17.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2023)
Projected traffic220 by 2033
Trucks32%
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 Bus Loop 20 (n) over IH 20 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Bus Loop 20 (n) 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 April 2023.

How much traffic does Bus Loop 20 (n) over IH 20 carry?

About 106 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is Bus Loop 20 (n) over IH 20?

The structure is 192 ft (58.5 m) long with a longest span of 57 ft (17.4 m) and a deck 29 ft wide.

Who owns Bus Loop 20 (n) over IH 20?

It is owned by the State Highway Agency.