US Bridges

NE Minnehaha ST over Clark County Rail Line

Fair

Clark County, Washington · 0.2 W of ST James · Structure no. 081248000000000

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
187 ft
5 main spans
Daily traffic
9,626
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE Minnehaha ST over Clark County Rail Line is a concrete continuous slab carrying NE Minnehaha ST over Clark County Rail Line in Clark County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,626 vehicles a day, roughly 10% of them trucks, projected to reach 34,791 by 2040. The structure is 187 ft (57.1 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNE Minnehaha ST
CrossesClark County Rail Line
Location0.2 W of ST James
RouteCounty Highway 91140
CountyClark County
StateWashington
Coordinates45.66844, -122.64181
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length187 ft (57.1 m)
Longest span44 ft (13.4 m)
Deck width74 ft (22.5 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,626 (2021)
Projected traffic34,791 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE Minnehaha ST over Clark County Rail Line built?

It was built in 1972, making it 53 years old in 2025.

What condition is NE Minnehaha ST over Clark County Rail Line in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does NE Minnehaha ST over Clark County Rail Line carry?

About 9,626 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NE Minnehaha ST over Clark County Rail Line?

The structure is 187 ft (57.1 m) long with a longest span of 44 ft (13.4 m) and a deck 74 ft wide.

Who owns NE Minnehaha ST over Clark County Rail Line?

It is owned by the City or Municipal Highway Agency.