US Bridges

CR 90 over Halls Creek

Good

Modoc County, California · 1.0 MI E C.R. 91 · Structure no. 03C0086

Built
1995
30 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
25
2010 count
Owner
County
County Highway Agency

About this bridge

CR 90 over Halls Creek is a concrete slab carrying CR 90 over Halls Creek in Modoc County, California. It was built in 1995, so it is 30 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 25 vehicles a day, projected to reach 84 by 2045. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCR 90
CrossesHalls Creek
Location1.0 MI E C.R. 91
RouteCounty Highway 0
Coordinates41.292, -121.11578
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2010)
Projected traffic84 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 CR 90 over Halls Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is CR 90 over Halls 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 April 2023.

How much traffic does CR 90 over Halls Creek carry?

About 25 vehicles per day (2010 count).

How long is CR 90 over Halls Creek?

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

Who owns CR 90 over Halls Creek?

It is owned by the County Highway Agency.