US Bridges

Or 99W (hwy 91) over Crow Creek

Fair

Lane County, Oregon · 009 MI S Benton Lane CO L · Structure no. 00432 01W 10558

Built
1921
104 years old, rebuilt 1959
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
6,255
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99W (hwy 91) over Crow Creek is a concrete continuous tee beam carrying Or 99W (hwy 91) over Crow Creek in Lane County, Oregon. It was built in 1921 and reconstructed in 1959, so it is 104 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 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 6,255 vehicles a day, roughly 17% of them trucks, projected to reach 6,400 by 2042. The structure is 41 ft (12.6 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesOr 99W (hwy 91)
CrossesCrow Creek
Location009 MI S Benton Lane CO L
RouteState Highway 99
CountyLane County
StateOregon
Coordinates44.2701, -123.23478
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length41 ft (12.6 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,255 (2022)
Projected traffic6,400 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99W (hwy 91) over Crow Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1959.

What condition is Or 99W (hwy 91) over Crow 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 April 2023.

How much traffic does Or 99W (hwy 91) over Crow Creek carry?

About 6,255 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Or 99W (hwy 91) over Crow Creek?

The structure is 41 ft (12.6 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns Or 99W (hwy 91) over Crow Creek?

It is owned by the State Highway Agency.