US Bridges

Road #200 over Hambright Creek

Good

Glenn County, California · 5.25 MI W of I-5 · Structure no. 11C0046

Built
1967
58 years old
Condition
Good
inspected August 2022
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
791
2011 count
Owner
County
County Highway Agency

About this bridge

Road #200 over Hambright Creek is a concrete continuous slab carrying Road #200 over Hambright Creek in Glenn County, California. It was built in 1967, so it is 58 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 791 vehicles a day, roughly 10% of them trucks, projected to reach 1,308 by 2044. The structure is 82 ft (25 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad #200
CrossesHambright Creek
Location5.25 MI W of I-5
RouteCounty Highway 0
Coordinates39.78176, -122.29427
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (25 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic791 (2011)
Projected traffic1,308 by 2044
Trucks10%
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 Road #200 over Hambright Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Road #200 over Hambright 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 2022.

How much traffic does Road #200 over Hambright Creek carry?

About 791 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Road #200 over Hambright Creek?

The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns Road #200 over Hambright Creek?

It is owned by the County Highway Agency.