US Bridges

Holcomb RD over C&c Railroad

FairPosted for load

Cowlitz County, Washington · 0.12 E Pac Ave N (mp 2.94 · Structure no. 081753000000000

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Holcomb RD over C&c Railroad is a steel continuous stringer/multi-beam or girder carrying Holcomb RD over C&c Railroad in Cowlitz County, Washington. It was built in 1968, so it is 57 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2042. The structure is 124 ft (37.8 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesHolcomb RD
CrossesC&c Railroad
Location0.12 E Pac Ave N (mp 2.94
RouteCounty Highway 52920
CountyCowlitz County
StateWashington
Coordinates46.1825, -122.89361
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.8 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic400 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Holcomb RD over C&c Railroad built?

It was built in 1968, making it 57 years old in 2025.

What condition is Holcomb RD over C&c Railroad 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 March 2023.

How much traffic does Holcomb RD over C&c Railroad carry?

About 300 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Holcomb RD over C&c Railroad?

The structure is 124 ft (37.8 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns Holcomb RD over C&c Railroad?

It is owned by the County Highway Agency.