US Bridges

London RD over Little River

Good

Lane County, Oregon · 160 MI So Cottage Grove · Structure no. 039C26270001410

Built
1981
44 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
731
2020 count
Owner
County
County Highway Agency

About this bridge

London RD over Little River is a prestressed concrete slab carrying London RD over Little River in Lane County, Oregon. It was built in 1981, so it is 44 years old, younger than the Oregon average of 49.9 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 731 vehicles a day, projected to reach 771 by 2025. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLondon RD
CrossesLittle River
Location160 MI So Cottage Grove
RouteCounty Highway C2700
StateOregon
Coordinates43.5814, -123.07203
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic731 (2020)
Projected traffic771 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was London RD over Little River built?

It was built in 1981, making it 44 years old in 2025.

What condition is London RD over Little 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 September 2024.

How much traffic does London RD over Little River carry?

About 731 vehicles per day (2020 count).

How long is London RD over Little River?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns London RD over Little River?

It is owned by the County Highway Agency.