US Bridges

No Data Entered over Mill Creek

Good

Siskiyou County, California · Indian · Structure no. 050552000001099

Built
1975
50 years old, rebuilt 2003
Condition
Good
inspected September 2024
Type
Arch - Deck
Steel
Length
60 ft
1 main span
Daily traffic
40
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Mill Creek is a steel arch - deck carrying No Data Entered over Mill Creek in Siskiyou County, California. It was built in 1975 and reconstructed in 2003, so it is 50 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 40 vehicles a day, projected to reach 60 by 2045. The structure is 60 ft (18.3 m) long and 19 ft wide.

CarriesNo Data Entered
CrossesMill Creek
LocationIndian
RouteFederal Lands Road 19N07
Coordinates41.92275, -123.46616
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating—
Inventory rating—

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span21 ft (6.4 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (—)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No Data Entered over Mill Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2003.

What condition is No Data Entered 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 September 2024.

How much traffic does No Data Entered over Mill Creek carry?

About 40 vehicles per day (latest count).

How long is No Data Entered over Mill Creek?

The structure is 60 ft (18.3 m) long with a longest span of 21 ft (6.4 m) and a deck 19 ft wide.

Who owns No Data Entered over Mill Creek?

It is owned by the U.S. Forest Service.