US Bridges

Fdr 25 over Black River

Fair

Greenlee County, Arizona · 5 MI N/O 25R RD Int · Structure no. 030101000003277

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
164 ft
5 main spans
Daily traffic
100
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 25 over Black River is a concrete slab carrying Fdr 25 over Black River in Greenlee County, Arizona. It was built in 1961, so it is 64 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 5 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2042. The structure is 164 ft (50 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFdr 25
CrossesBlack River
Location5 MI N/O 25R RD Int
RouteFederal Lands Road 25
StateArizona
Coordinates33.70383, -109.4531
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.1 US tons
Inventory rating16.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length164 ft (50 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
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 Black River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Fdr 25 over Black River 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 October 2024.

How much traffic does Fdr 25 over Black River carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Fdr 25 over Black River?

The structure is 164 ft (50 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns Fdr 25 over Black River?

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