US Bridges

Old Trails Road over I 40

Fair

Mohave County, Arizona · 19.0 MI East JCT SR 95 · Structure no. 00926

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
77
2022 count
Owner
State
State Highway Agency

About this bridge

Old Trails Road over I 40 is a steel continuous stringer/multi-beam or girder carrying Old Trails Road over I 40 in Mohave County, Arizona. It was built in 1966, so it is 59 years old, older than the Arizona average of 47.8 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 77 vehicles a day, roughly 5% of them trucks, projected to reach 87 by 2042. The structure is 250 ft (76.2 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOld Trails Road
CrossesI 40
Location19.0 MI East JCT SR 95
RouteCounty Highway 0
StateArizona
Coordinates34.9149, -114.1529
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span78 ft (23.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2022)
Projected traffic87 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Trails Road over I 40 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Old Trails Road over I 40 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 August 2024.

How much traffic does Old Trails Road over I 40 carry?

About 77 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Old Trails Road over I 40?

The structure is 250 ft (76.2 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.

Who owns Old Trails Road over I 40?

It is owned by the State Highway Agency.