US Bridges

Cecilville Road over Mathews Creek

Good

Siskiyou County, California · 8.5 MI N/O Eddy Gulch RD · Structure no. 02C0168

Built
1940
85 years old, rebuilt 1981
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

Cecilville Road over Mathews Creek is a steel stringer/multi-beam or girder carrying Cecilville Road over Mathews Creek in Siskiyou County, California. It was built in 1940 and reconstructed in 1981, so it is 85 years old, older 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2044. The structure is 51 ft (15.5 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesCecilville Road
CrossesMathews Creek
Location8.5 MI N/O Eddy Gulch RD
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.18827, -123.21387
Functional classRural Major Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic150 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Cecilville Road over Mathews Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1981.

What condition is Cecilville Road over Mathews 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 August 2023.

How much traffic does Cecilville Road over Mathews Creek carry?

About 120 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Cecilville Road over Mathews Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 18 ft wide.

Who owns Cecilville Road over Mathews Creek?

It is owned by the County Highway Agency.