US Bridges

Agness Road over Elk Creek

Fair

Coos County, Oregon · 7MI S 974666 · Structure no. 061105000001135

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
158
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Agness Road over Elk Creek is a prestressed concrete slab carrying Agness Road over Elk Creek in Coos County, Oregon. It was built in 1968, so it is 57 years old, older than the Oregon average of 49.9 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 158 vehicles a day, roughly 10% of them trucks, projected to reach 237 by 2045. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesAgness Road
CrossesElk Creek
Location7MI S 974666
RouteFederal Lands Road 33000
StateOregon
Coordinates42.81681, -124.01303
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating32.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadOther
Structure length37 ft (11.3 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (1995)
Projected traffic237 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Agness Road over Elk Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Agness Road over Elk Creek 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 June 2023.

How much traffic does Agness Road over Elk Creek carry?

About 158 vehicles per day (1995 count), of which roughly 10% are trucks.

How long is Agness Road over Elk Creek?

The structure is 37 ft (11.3 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Agness Road over Elk Creek?

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