US Bridges

Hatter Creek Road over Palouse River

FairPosted for load

Latah County, Idaho · 0.3 S. Princeton · Structure no. 000000000029675

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
900
2023 count
Owner
Local
Other Local Agency

About this bridge

Hatter Creek Road over Palouse River is a steel stringer/multi-beam or girder carrying Hatter Creek Road over Palouse River in Latah County, Idaho. It was built in 1974, so it is 51 years old, older than the Idaho average of 45.3 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 900 vehicles a day, roughly 1% of them trucks, projected to reach 1,350 by 2042. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesHatter Creek Road
CrossesPalouse River
Location0.3 S. Princeton
RouteCounty Highway 0
CountyLatah County
StateIdaho
Coordinates46.90889, -116.83297
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.
Superstructure7 GoodSome minor problems.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 15
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,350 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$875,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hatter Creek Road over Palouse River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Hatter Creek Road over Palouse River 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 June 2024.

How much traffic does Hatter Creek Road over Palouse River carry?

About 900 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Hatter Creek Road over Palouse River?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 31 ft wide.

Who owns Hatter Creek Road over Palouse River?

It is owned by the Other Local Agency.