US Bridges

Fdr 25 over West Fork Black River

Good

Greenlee County, Arizona · 1.1 MI W/O FSR 24 Int · Structure no. 030101000003278

Built
1969
56 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
150
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 25 over West Fork Black River is a prestressed concrete stringer/multi-beam or girder carrying Fdr 25 over West Fork Black River in Greenlee County, Arizona. It was built in 1969, so it is 56 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2042. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFdr 25
CrossesWest Fork Black River
Location1.1 MI W/O FSR 24 Int
RouteFederal Lands Road 25
StateArizona
Coordinates33.75913, -109.37468
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length160 ft (48.8 m)
Longest span76 ft (23.2 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic225 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 25 over West Fork Black River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Fdr 25 over West Fork Black River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Fdr 25 over West Fork Black River carry?

About 150 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Fdr 25 over West Fork Black River?

The structure is 160 ft (48.8 m) long with a longest span of 76 ft (23.2 m) and a deck 31 ft wide.

Who owns Fdr 25 over West Fork Black River?

It is owned by the U.S. Forest Service.