US Bridges

County Road over E B 1 B

Good

Franklin County, Washington · 0.49N JCT R 506 · Structure no. 083476000000000

Built
1956
69 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
22 ft
1 main span
Daily traffic
202
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over E B 1 B is a wood or timber stringer/multi-beam or girder carrying County Road over E B 1 B in Franklin County, Washington. It was built in 1956, so it is 69 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.

It carries about 202 vehicles a day, roughly 47% of them trucks, projected to reach 300 by 2042. The structure is 22 ft (6.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road
CrossesE B 1 B
Location0.49N JCT R 506
RouteCounty Highway 5190
CountyFranklin County
StateWashington
Coordinates46.49779, -119.15312
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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating22.8 US tons
Inventory rating17.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2022)
Projected traffic300 by 2042
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over E B 1 B built?

It was built in 1956, making it 69 years old in 2025.

What condition is County Road over E B 1 B 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 November 2022.

How much traffic does County Road over E B 1 B carry?

About 202 vehicles per day (2022 count), of which roughly 47% are trucks.

How long is County Road over E B 1 B?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns County Road over E B 1 B?

It is owned by the County Highway Agency.