US Bridges

Maxwell-Colusa RD over Interstate Route 5

Fair

Colusa County, California · 03-COL-005-R26.73 · Structure no. 15 0070

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
184 ft
2 main spans
Daily traffic
2,000
2013 count
Owner
State
State Highway Agency

About this bridge

Maxwell-Colusa RD over Interstate Route 5 is a concrete continuous box beam or girders - multiple carrying Maxwell-Colusa RD over Interstate Route 5 in Colusa County, California. It was built in 1971, so it is 54 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 2,000 vehicles a day, roughly 12% of them trucks, projected to reach 2,244 by 2042. The structure is 184 ft (56 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesMaxwell-Colusa RD
CrossesInterstate Route 5
Location03-COL-005-R26.73
RouteCounty Highway 0
CountyColusa County
StateCalifornia
Coordinates39.27624, -122.18281
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating62.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length184 ft (56 m)
Longest span91 ft (27.7 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2013)
Projected traffic2,244 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Maxwell-Colusa RD over Interstate Route 5 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Maxwell-Colusa RD over Interstate Route 5 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 April 2024.

How much traffic does Maxwell-Colusa RD over Interstate Route 5 carry?

About 2,000 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is Maxwell-Colusa RD over Interstate Route 5?

The structure is 184 ft (56 m) long with a longest span of 91 ft (27.7 m) and a deck 47 ft wide.

Who owns Maxwell-Colusa RD over Interstate Route 5?

It is owned by the State Highway Agency.