US Bridges

STATELINE/1070 over Hangman Creek

FairPosted for load

Whitman County, Washington · 2.62 MI S SR 274 · Structure no. 083957000000000

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

STATELINE/1070 over Hangman Creek is a prestressed concrete tee beam carrying STATELINE/1070 over Hangman Creek in Whitman County, Washington. It was built in 1963, so it is 62 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 load restriction.

It carries about 20 vehicles a day, roughly 25% of them trucks, projected to reach 21 by 2044. The structure is 64 ft (19.5 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSTATELINE/1070
CrossesHangman Creek
Location2.62 MI S SR 274
RouteCounty Highway 10700
CountyWhitman County
StateWashington
Coordinates47.20293, -117.0405
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span64 ft (19.5 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic21 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STATELINE/1070 over Hangman Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is STATELINE/1070 over Hangman 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 2024.

How much traffic does STATELINE/1070 over Hangman Creek carry?

About 20 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is STATELINE/1070 over Hangman Creek?

The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 18 ft wide.

Who owns STATELINE/1070 over Hangman Creek?

It is owned by the County Highway Agency.