US Bridges

SR 263 over Dry Gulch

Fair

Franklin County, Washington · 9.1 N JCT Port Windust · Structure no. 085903000000000

Built
1952
73 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
366
2023 count
Owner
State
State Highway Agency

About this bridge

SR 263 over Dry Gulch is a concrete continuous slab carrying SR 263 over Dry Gulch in Franklin County, Washington. It was built in 1952, so it is 73 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 366 vehicles a day, roughly 37% of them trucks, projected to reach 439 by 2039. The structure is 46 ft (14 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 263
CrossesDry Gulch
Location9.1 N JCT Port Windust
RouteState Highway 263
CountyFranklin County
StateWashington
Coordinates46.64289, -118.55256
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum 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 rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length46 ft (14 m)
Longest span13 ft (4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic366 (2023)
Projected traffic439 by 2039
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$743,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 263 over Dry Gulch built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR 263 over Dry Gulch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR 263 over Dry Gulch carry?

About 366 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is SR 263 over Dry Gulch?

The structure is 46 ft (14 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns SR 263 over Dry Gulch?

It is owned by the State Highway Agency.