US Bridges

Mohawk Loop over Drury Creek

Fair

Lane County, Oregon · 060 N Marcola · Structure no. 39C181198600014

Built
1992
33 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
85
2020 count
Owner
County
County Highway Agency

About this bridge

Mohawk Loop over Drury Creek is a prestressed concrete slab carrying Mohawk Loop over Drury Creek in Lane County, Oregon. It was built in 1992, so it is 33 years old, younger 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 85 vehicles a day, projected to reach 100 by 2025. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMohawk Loop
CrossesDrury Creek
Location060 N Marcola
RouteCounty Highway C1986
StateOregon
Coordinates44.23269, -122.81104
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2020)
Projected traffic100 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mohawk Loop over Drury Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mohawk Loop over Drury 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 August 2024.

How much traffic does Mohawk Loop over Drury Creek carry?

About 85 vehicles per day (2020 count).

How long is Mohawk Loop over Drury Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Mohawk Loop over Drury Creek?

It is owned by the County Highway Agency.