US Bridges

Endictt-St JN/4230 over Little Valley Creek

FairPosted for load

Whitman County, Washington · 7.59 MI SE SR 23 · Structure no. 084813000000000

Built
1936
89 years old, rebuilt 1950
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
30 ft
1 main span
Daily traffic
243
2022 count
Owner
County
County Highway Agency

About this bridge

Endictt-St JN/4230 over Little Valley Creek is a wood or timber stringer/multi-beam or girder carrying Endictt-St JN/4230 over Little Valley Creek in Whitman County, Washington. It was built in 1936 and reconstructed in 1950, so it is 89 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 243 vehicles a day, roughly 9% of them trucks, projected to reach 268 by 2042. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesEndictt-St JN/4230
CrossesLittle Valley Creek
Location7.59 MI SE SR 23
RouteCounty Highway 42300
Coordinates47.0042, -117.61802
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating29 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic243 (2022)
Projected traffic268 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Endictt-St JN/4230 over Little Valley Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1950.

What condition is Endictt-St JN/4230 over Little Valley 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 Endictt-St JN/4230 over Little Valley Creek carry?

About 243 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Endictt-St JN/4230 over Little Valley Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Endictt-St JN/4230 over Little Valley Creek?

It is owned by the County Highway Agency.