US Bridges

Guernsey Cutoff over Hatter Cr;sw.Princeton B

FairPosted for load

Latah County, Idaho · 0.8 S. 0.2 W. Princeton · Structure no. 000000000029500

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
30
2023 count
Owner
Local
Other Local Agency

About this bridge

Guernsey Cutoff over Hatter Cr;sw.Princeton B is a steel stringer/multi-beam or girder carrying Guernsey Cutoff over Hatter Cr;sw.Princeton B in Latah County, Idaho. It was built in 1975, so it is 50 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 6 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2039. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesGuernsey Cutoff
CrossesHatter Cr;sw.Princeton B
Location0.8 S. 0.2 W. Princeton
RouteCounty Highway 0
StateIdaho
Coordinates46.90278, -116.8355
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 15
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$288,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Guernsey Cutoff over Hatter Cr;sw.Princeton B built?

It was built in 1975, making it 50 years old in 2025.

What condition is Guernsey Cutoff over Hatter Cr;sw.Princeton B 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 May 2023.

How much traffic does Guernsey Cutoff over Hatter Cr;sw.Princeton B carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Guernsey Cutoff over Hatter Cr;sw.Princeton B?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns Guernsey Cutoff over Hatter Cr;sw.Princeton B?

It is owned by the Other Local Agency.