US Bridges

Sawyers Bar RD over Mill Creek

Good

Siskiyou County, California · 5.8 MI W of SH 3 · Structure no. 02C0012

Built
1982
43 years old
Condition
Good
inspected July 2021
Type
Tee Beam
Concrete
Length
60 ft
1 main span
Daily traffic
167
2011 count
Owner
County
County Highway Agency

About this bridge

Sawyers Bar RD over Mill Creek is a concrete tee beam carrying Sawyers Bar RD over Mill Creek in Siskiyou County, California. It was built in 1982, so it is 43 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 167 vehicles a day, roughly 2% of them trucks, projected to reach 226 by 2043. The structure is 60 ft (18.3 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSawyers Bar RD
CrossesMill Creek
Location5.8 MI W of SH 3
RouteCounty Highway 0
Coordinates41.4287, -122.96477
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
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 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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2011)
Projected traffic226 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sawyers Bar RD over Mill Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sawyers Bar RD over Mill 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 2021.

How much traffic does Sawyers Bar RD over Mill Creek carry?

About 167 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Sawyers Bar RD over Mill Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 35 ft wide.

Who owns Sawyers Bar RD over Mill Creek?

It is owned by the County Highway Agency.