US Bridges

Old Oregon Trail over Moody Creek

Fair

Shasta County, California · 0.2 MI E Oasis & Akrich · Structure no. 06C0191

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
2,300
2013 count
Owner
County
County Highway Agency

About this bridge

Old Oregon Trail over Moody Creek is a concrete continuous slab carrying Old Oregon Trail over Moody Creek in Shasta County, California. It was built in 1976, so it is 49 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,300 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2042. The structure is 75 ft (22.9 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOld Oregon Trail
CrossesMoody Creek
Location0.2 MI E Oasis & Akrich
RouteCounty Highway 0
Coordinates40.6544, -122.33334
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating67.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2013)
Projected traffic5,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Old Oregon Trail over Moody Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Old Oregon Trail over Moody Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Old Oregon Trail over Moody Creek carry?

About 2,300 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Old Oregon Trail over Moody Creek?

The structure is 75 ft (22.9 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns Old Oregon Trail over Moody Creek?

It is owned by the County Highway Agency.