US Bridges

Reservation Road over Rail Road

Good

Thurston County, Washington · 0.4 M S Old Pacific HWY · Structure no. 082221000000000

Built
1993
32 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
331 ft
3 main spans
Daily traffic
8,901
2021 count
Owner
County
County Highway Agency

About this bridge

Reservation Road over Rail Road is a prestressed concrete continuous stringer/multi-beam or girder carrying Reservation Road over Rail Road in Thurston County, Washington. It was built in 1993, so it is 32 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 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 8,901 vehicles a day, roughly 20% of them trucks, projected to reach 13,761 by 2043. The structure is 331 ft (100.9 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesReservation Road
CrossesRail Road
Location0.4 M S Old Pacific HWY
RouteCounty Highway 14195
Coordinates47.03994, -122.70755
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length331 ft (100.9 m)
Longest span120 ft (36.6 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,901 (2021)
Projected traffic13,761 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Reservation Road over Rail Road built?

It was built in 1993, making it 32 years old in 2025.

What condition is Reservation Road over Rail Road 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 September 2023.

How much traffic does Reservation Road over Rail Road carry?

About 8,901 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is Reservation Road over Rail Road?

The structure is 331 ft (100.9 m) long with a longest span of 120 ft (36.6 m) and a deck 39 ft wide.

Who owns Reservation Road over Rail Road?

It is owned by the County Highway Agency.