US Bridges

BIXLER/4460 over Dry Creek

Good

Whitman County, Washington · 0.04 MI W Danaher · Structure no. 083062000000000

Built
1977
48 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
14
2020 count
Owner
County
County Highway Agency

About this bridge

BIXLER/4460 over Dry Creek is a prestressed concrete tee beam carrying BIXLER/4460 over Dry Creek in Whitman County, Washington. It was built in 1977, so it is 48 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 14 vehicles a day, roughly 25% of them trucks, projected to reach 14 by 2039. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBIXLER/4460
CrossesDry Creek
Location0.04 MI W Danaher
RouteCounty Highway 44600
Coordinates46.95185, -117.34798
Functional classRural Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating12.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (2020)
Projected traffic14 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was BIXLER/4460 over Dry Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is BIXLER/4460 over Dry 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 BIXLER/4460 over Dry Creek carry?

About 14 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is BIXLER/4460 over Dry Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns BIXLER/4460 over Dry Creek?

It is owned by the County Highway Agency.