US Bridges

Arizona ST over IH 20

FairPosted for load

Nolan County, Texas · 0.65 MI NE of Bus 70 · Structure no. 081770000603270

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
4 main spans
Daily traffic
550
2013 count
Owner
State
State Highway Agency

About this bridge

Arizona ST over IH 20 is a steel continuous stringer/multi-beam or girder carrying Arizona ST over IH 20 in Nolan County, Texas. It was built in 1962, so it is 63 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 550 vehicles a day, projected to reach 550 by 2033. The structure is 212 ft (64.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesArizona ST
CrossesIH 20
Location0.65 MI NE of Bus 70
RouteCity Street 0
CountyNolan County
StateTexas
Coordinates32.455, -100.38949
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
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 statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length212 ft (64.6 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2013)
Projected traffic550 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Arizona ST over IH 20 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Arizona 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 Arizona ST over IH 20 carry?

About 550 vehicles per day (2013 count).

How long is Arizona ST over IH 20?

The structure is 212 ft (64.6 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Arizona ST over IH 20?

It is owned by the State Highway Agency.