US Bridges

WARNER/1100 over Pine Creek

Fair

Whitman County, Washington · 1.61 MI NE SR 27 · Structure no. 082372000000000

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
448
2020 count
Owner
County
County Highway Agency

About this bridge

WARNER/1100 over Pine Creek is a prestressed concrete tee beam carrying WARNER/1100 over Pine Creek in Whitman County, Washington. It was built in 1961, so it is 64 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 448 vehicles a day, roughly 19% of them trucks, projected to reach 449 by 2044. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesWARNER/1100
CrossesPine Creek
Location1.61 MI NE SR 27
RouteCounty Highway 11000
Coordinates47.14656, -117.18652
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic448 (2020)
Projected traffic449 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was WARNER/1100 over Pine Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is WARNER/1100 over Pine Creek 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 November 2024.

How much traffic does WARNER/1100 over Pine Creek carry?

About 448 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is WARNER/1100 over Pine Creek?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 28 ft wide.

Who owns WARNER/1100 over Pine Creek?

It is owned by the County Highway Agency.