US Bridges

Goodman Rd. - IRR over Ahtanum Creek

GoodPosted for load

Yakima County, Washington · 00.47 N Meadowbrook · Structure no. 081463000000000

Built
1960
65 years old
Condition
Good
inspected June 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
1,700
2021 count
Owner
County
County Highway Agency

About this bridge

Goodman Rd. - IRR over Ahtanum Creek is a concrete channel beam carrying Goodman Rd. - IRR over Ahtanum Creek in Yakima County, Washington. It was built in 1960, so it is 65 years old, older 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: posted for load restriction.

It carries about 1,700 vehicles a day, roughly 10% of them trucks, projected to reach 1,925 by 2041. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGoodman Rd. - IRR
CrossesAhtanum Creek
Location00.47 N Meadowbrook
RouteCounty Highway 30570
Coordinates46.54833, -120.5
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2021)
Projected traffic1,925 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Goodman Rd. - IRR over Ahtanum Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Goodman Rd. - IRR 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 June 2023.

How much traffic does Goodman Rd. - IRR over Ahtanum Creek carry?

About 1,700 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Goodman Rd. - IRR over Ahtanum Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Goodman Rd. - IRR over Ahtanum Creek?

It is owned by the County Highway Agency.