US Bridges

Limestone Road over Crab Creek

Good

Lincoln County, Washington · 0.08 N. FAS L220 · Structure no. 087046000000000

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
137
2020 count
Owner
County
County Highway Agency

About this bridge

Limestone Road over Crab Creek is a prestressed concrete tee beam carrying Limestone Road over Crab Creek in Lincoln County, Washington. It was built in 2002, so it is 23 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 137 vehicles a day, roughly 40% of them trucks, projected to reach 150 by 2042. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesLimestone Road
CrossesCrab Creek
Location0.08 N. FAS L220
RouteCounty Highway 96190
Coordinates47.49997, -118.01503
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137 (2020)
Projected traffic150 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Limestone Road over Crab Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Limestone Road over Crab 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 2024.

How much traffic does Limestone Road over Crab Creek carry?

About 137 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is Limestone Road over Crab Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 27 ft wide.

Who owns Limestone Road over Crab Creek?

It is owned by the County Highway Agency.