US Bridges

Lexington Br DR over I-5

Good

Cowlitz County, Washington · 2.8 N JCT SR 4 · Structure no. 0009597C0000000

Built
1975
50 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
312 ft
4 main spans
Daily traffic
6,191
2020 count
Owner
State
State Highway Agency

About this bridge

Lexington Br DR over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Lexington Br DR over I-5 in Cowlitz County, Washington. It was built in 1975, so it is 50 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 6,191 vehicles a day, roughly 1% of them trucks, projected to reach 8,845 by 2040. The structure is 312 ft (95.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLexington Br DR
CrossesI-5
Location2.8 N JCT SR 4
RouteCounty Highway 0
CountyCowlitz County
StateWashington
Coordinates46.18421, -122.89825
Functional classUrban Collector

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 inspectionOctober 2023
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 rating94 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length312 ft (95.1 m)
Longest span108 ft (32.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,191 (2020)
Projected traffic8,845 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
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$7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lexington Br DR over I-5 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lexington Br DR over I-5 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 October 2023.

How much traffic does Lexington Br DR over I-5 carry?

About 6,191 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Lexington Br DR over I-5?

The structure is 312 ft (95.1 m) long with a longest span of 108 ft (32.9 m) and a deck 43 ft wide.

Who owns Lexington Br DR over I-5?

It is owned by the State Highway Agency.