US Bridges

Nevada DR over Westover Creek

Good

Cowlitz County, Washington · 0.17 W SR 411 (mp 2.97) · Structure no. 086839000000000

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
4,100
2019 count
Owner
County
County Highway Agency

About this bridge

Nevada DR over Westover Creek is a prestressed concrete slab carrying Nevada DR over Westover Creek in Cowlitz County, Washington. It was built in 2000, so it is 25 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 4,100 vehicles a day, roughly 25% of them trucks, projected to reach 5,400 by 2040. The structure is 53 ft (16.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNevada DR
CrossesWestover Creek
Location0.17 W SR 411 (mp 2.97)
RouteCounty Highway 13860
Coordinates46.16417, -122.92
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length53 ft (16.2 m)
Longest span52 ft (15.8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2019)
Projected traffic5,400 by 2040
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$755,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nevada DR over Westover Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Nevada DR over Westover Creek 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 Nevada DR over Westover Creek carry?

About 4,100 vehicles per day (2019 count), of which roughly 25% are trucks.

How long is Nevada DR over Westover Creek?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.8 m) and a deck 36 ft wide.

Who owns Nevada DR over Westover Creek?

It is owned by the County Highway Agency.