US Bridges

Cnty RD 100 over I-182

Good

Franklin County, Washington · 1.3 E Benton CO · Structure no. 0012236A0000000

Built
1983
42 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
350 ft
2 main spans
Daily traffic
13,898
2012 count
Owner
State
State Highway Agency

About this bridge

Cnty RD 100 over I-182 is a prestressed concrete continuous box beam or girders - multiple carrying Cnty RD 100 over I-182 in Franklin County, Washington. It was built in 1983, so it is 42 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 13,898 vehicles a day, roughly 5% of them trucks. The structure is 350 ft (106.7 m) long and 58 ft wide.

CarriesCnty RD 100
CrossesI-182
Location1.3 E Benton CO
RouteCity Street 0
Coordinates46.27476, -119.22147
Functional classUrban Minor Arterial

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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span181 ft (55.2 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,898 (2012)
Projected traffic—
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$9.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cnty RD 100 over I-182 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Cnty RD 100 over I-182 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 February 2024.

How much traffic does Cnty RD 100 over I-182 carry?

About 13,898 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Cnty RD 100 over I-182?

The structure is 350 ft (106.7 m) long with a longest span of 181 ft (55.2 m) and a deck 58 ft wide.

Who owns Cnty RD 100 over I-182?

It is owned by the State Highway Agency.