US Bridges

SR 27 over Little Hangman Creek

Fair

Whitman County, Washington · 11.6 N JCT SR 271 · Structure no. 0008425A0000000

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
108 ft
4 main spans
Daily traffic
1,531
2023 count
Owner
State
State Highway Agency

About this bridge

SR 27 over Little Hangman Creek is a concrete continuous slab carrying SR 27 over Little Hangman Creek in Whitman 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.

It carries about 1,531 vehicles a day, roughly 6% of them trucks, projected to reach 1,836 by 2039. The structure is 108 ft (32.9 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 27
CrossesLittle Hangman Creek
Location11.6 N JCT SR 271
RouteState Highway 27
Coordinates47.22626, -117.07302
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length108 ft (32.9 m)
Longest span28 ft (8.5 m)
Deck width35 ft (10.8 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,531 (2023)
Projected traffic1,836 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 27 over Little Hangman Creek built?

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

What condition is SR 27 over Little 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 May 2023.

How much traffic does SR 27 over Little Hangman Creek carry?

About 1,531 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 27 over Little Hangman Creek?

The structure is 108 ft (32.9 m) long with a longest span of 28 ft (8.5 m) and a deck 35 ft wide.

Who owns SR 27 over Little Hangman Creek?

It is owned by the State Highway Agency.