US Bridges

Fullbright Rd. over Ahtanum Creek

Good

Yakima County, Washington · Fulbright Park · Structure no. 087104000000000

Built
1986
39 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
75
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fullbright Rd. over Ahtanum Creek is a prestressed concrete stringer/multi-beam or girder carrying Fullbright Rd. over Ahtanum Creek in Yakima County, Washington. It was built in 1986, so it is 39 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 75 vehicles a day, roughly 5% of them trucks, projected to reach 83 by 2043. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFullbright Rd.
CrossesAhtanum Creek
LocationFulbright Park
RouteCity Street 99999
Coordinates46.53834, -120.48013
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 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic83 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fullbright Rd. over Ahtanum Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Fullbright Rd. over Ahtanum 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 2023.

How much traffic does Fullbright Rd. over Ahtanum Creek carry?

About 75 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Fullbright Rd. over Ahtanum Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Fullbright Rd. over Ahtanum Creek?

It is owned by the City or Municipal Highway Agency.