US Bridges

WATERMAN/0015 over Cabbage Creek

FairPosted for load

Whitman County, Washington · 0.34 MI NE Wilhelm · Structure no. 081002000000000

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
79
2021 count
Owner
County
County Highway Agency

About this bridge

WATERMAN/0015 over Cabbage Creek is a prestressed concrete stringer/multi-beam or girder carrying WATERMAN/0015 over Cabbage Creek in Whitman County, Washington. It was built in 1973, so it is 52 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 5 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 load restriction.

It carries about 79 vehicles a day, roughly 25% of them trucks, projected to reach 81 by 2044. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesWATERMAN/0015
CrossesCabbage Creek
Location0.34 MI NE Wilhelm
RouteCounty Highway 150
CountyWhitman County
StateWashington
Coordinates47.24362, -117.2635
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2021)
Projected traffic81 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was WATERMAN/0015 over Cabbage Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is WATERMAN/0015 over Cabbage 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 November 2023.

How much traffic does WATERMAN/0015 over Cabbage Creek carry?

About 79 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is WATERMAN/0015 over Cabbage Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns WATERMAN/0015 over Cabbage Creek?

It is owned by the County Highway Agency.