US Bridges

Seventh Street over Burlington Northern RR

Poor

Klickitat County, Washington · 0.1 S. JCT SR 14 · Structure no. 086252000000000

Built
1994
31 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
99
2023 count
Owner
County
County Highway Agency

About this bridge

Seventh Street over Burlington Northern RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Seventh Street over Burlington Northern RR in Klickitat County, Washington. It was built in 1994, so it is 31 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 99 vehicles a day, roughly 53% of them trucks, projected to reach 123 by 2045. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeventh Street
CrossesBurlington Northern RR
Location0.1 S. JCT SR 14
RouteCounty Highway 20110
Coordinates45.69116, -121.28394
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span98 ft (29.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2023)
Projected traffic123 by 2045
Trucks53%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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$9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Seventh Street over Burlington Northern RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Seventh Street over Burlington Northern RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Seventh Street over Burlington Northern RR carry?

About 99 vehicles per day (2023 count), of which roughly 53% are trucks.

How long is Seventh Street over Burlington Northern RR?

The structure is 240 ft (73.2 m) long with a longest span of 98 ft (29.9 m) and a deck 31 ft wide.

Who owns Seventh Street over Burlington Northern RR?

It is owned by the County Highway Agency.