US Bridges

Lexington Br.Driv over Cowlitz R. and BNSF RR

Good

Cowlitz County, Washington · W of I-5 Exit 42 · Structure no. 087578000000000

Built
2007
18 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
647 ft
4 main spans
Daily traffic
12,000
2020 count
Owner
County
County Highway Agency

About this bridge

Lexington Br.Driv over Cowlitz R. and BNSF RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Lexington Br.Driv over Cowlitz R. and BNSF RR in Cowlitz County, Washington. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,000 vehicles a day, roughly 13% of them trucks, projected to reach 18,000 by 2041. The structure is 647 ft (197.2 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLexington Br.Driv
CrossesCowlitz R. and BNSF RR
LocationW of I-5 Exit 42
RouteCounty Highway 19505
Coordinates46.18444, -122.90056
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length647 ft (197.2 m)
Longest span171 ft (52.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2020)
Projected traffic18,000 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed6.8 mi (11 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$12.9 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Lexington Br.Driv over Cowlitz R. and BNSF RR built?

It was built in 2007, making it 18 years old in 2025.

What condition is Lexington Br.Driv over Cowlitz R. and BNSF RR 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 August 2024.

How much traffic does Lexington Br.Driv over Cowlitz R. and BNSF RR carry?

About 12,000 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Lexington Br.Driv over Cowlitz R. and BNSF RR?

The structure is 647 ft (197.2 m) long with a longest span of 171 ft (52.1 m) and a deck 43 ft wide.

Who owns Lexington Br.Driv over Cowlitz R. and BNSF RR?

It is owned by the County Highway Agency.