US Bridges

Railroad Ave over Hangman Creek

Good

Whitman County, Washington · 0.15 S SR 27 · Structure no. 086007000000000

Built
1992
33 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
300
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Railroad Ave over Hangman Creek is a prestressed concrete tee beam carrying Railroad Ave over Hangman Creek in Whitman County, Washington. It was built in 1992, so it is 33 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 5% of them trucks, projected to reach 306 by 2044. The structure is 73 ft (22.3 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRailroad Ave
CrossesHangman Creek
Location0.15 S SR 27
RouteCity Street 1285
Coordinates47.22542, -117.07493
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span71 ft (21.6 m)
Deck width29 ft (8.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic306 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$936,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Railroad Ave over Hangman Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Railroad Ave over Hangman Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Railroad Ave over Hangman Creek carry?

About 300 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Railroad Ave over Hangman Creek?

The structure is 73 ft (22.3 m) long with a longest span of 71 ft (21.6 m) and a deck 29 ft wide.

Who owns Railroad Ave over Hangman Creek?

It is owned by the City or Municipal Highway Agency.