US Bridges

Lenahan Road over Funks Creek

Good

Colusa County, California · 0.2 MI W of Sutton Road · Structure no. 15C0206

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
48
2014 count
Owner
County
County Highway Agency

About this bridge

Lenahan Road over Funks Creek is a prestressed concrete stringer/multi-beam or girder carrying Lenahan Road over Funks Creek in Colusa County, California. It was built in 2015, so it is 10 years old, younger than the California average of 54.8 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 48 vehicles a day, roughly 10% of them trucks, projected to reach 142 by 2043. The structure is 89 ft (27.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLenahan Road
CrossesFunks Creek
Location0.2 MI W of Sutton Road
RouteCounty Highway 0
Coordinates39.33427, -122.21361
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length89 ft (27.2 m)
Longest span81 ft (24.7 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2014)
Projected traffic142 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Lenahan Road over Funks Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Lenahan Road over Funks Creek 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 July 2023.

How much traffic does Lenahan Road over Funks Creek carry?

About 48 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Lenahan Road over Funks Creek?

The structure is 89 ft (27.2 m) long with a longest span of 81 ft (24.7 m) and a deck 32 ft wide.

Who owns Lenahan Road over Funks Creek?

It is owned by the County Highway Agency.