US Bridges

SR 14 over Gulch

Good

Skamania County, Washington · 37.4 E Clark CO · Structure no. 0002042A0000000

Built
1937
88 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
215 ft
9 main spans
Daily traffic
3,619
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Gulch is a concrete slab carrying SR 14 over Gulch in Skamania County, Washington. It was built in 1937, so it is 88 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 3,619 vehicles a day, roughly 12% of them trucks, projected to reach 4,306 by 2039. The structure is 215 ft (65.5 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSR 14
CrossesGulch
Location37.4 E Clark CO
RouteState Highway 14
Coordinates45.71859, -121.60868
Functional classRural Principal Arterial - Other

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length215 ft (65.5 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,619 (2023)
Projected traffic4,306 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.3 mi (31 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$3.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 14 over Gulch built?

It was built in 1937, making it 88 years old in 2025.

What condition is SR 14 over Gulch 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 July 2023.

How much traffic does SR 14 over Gulch carry?

About 3,619 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 14 over Gulch?

The structure is 215 ft (65.5 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns SR 14 over Gulch?

It is owned by the State Highway Agency.