US Bridges

Mcdermott Rd. over Teresa Creek

Fair

Colusa County, California · 0.7 MI N of Delevan Rd. · Structure no. 15C0204

Built
2010
15 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
318
2015 count
Owner
County
County Highway Agency

About this bridge

Mcdermott Rd. over Teresa Creek is a concrete slab carrying Mcdermott Rd. over Teresa Creek in Colusa County, California. It was built in 2010, so it is 15 years old, younger than the California average of 54.8 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 318 vehicles a day, roughly 10% of them trucks, projected to reach 1,080 by 2045. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMcdermott Rd.
CrossesTeresa Creek
Location0.7 MI N of Delevan Rd.
RouteCounty Highway 0
CountyColusa County
StateCalifornia
Coordinates39.35855, -122.22941
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic318 (2015)
Projected traffic1,080 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Mcdermott Rd. over Teresa Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Mcdermott Rd. over Teresa 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 October 2024.

How much traffic does Mcdermott Rd. over Teresa Creek carry?

About 318 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Mcdermott Rd. over Teresa Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.3 m) and a deck 32 ft wide.

Who owns Mcdermott Rd. over Teresa Creek?

It is owned by the County Highway Agency.