US Bridges

SH 8 over Pedestrian Pass

Fair

Latah County, Idaho · 7.8 E. Moscow Ecl · Structure no. 000000000010226

Built
2004
21 years old
Condition
Fair
inspected July 2022
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
3,400
2023 count
Owner
State
State Highway Agency

About this bridge

SH 8 over Pedestrian Pass is a concrete frame carrying SH 8 over Pedestrian Pass in Latah County, Idaho. It was built in 2004, so it is 21 years old, younger 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.

It carries about 3,400 vehicles a day, roughly 5% of them trucks, projected to reach 5,100 by 2042. The structure is 27 ft (8.2 m) long and 150 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 8
CrossesPedestrian Pass
Location7.8 E. Moscow Ecl
RouteState Highway 8
CountyLatah County
StateIdaho
Coordinates46.71972, -116.83944
Functional classRural Minor Arterial

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.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating107 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width150 ft (45.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2023)
Projected traffic5,100 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 8 over Pedestrian Pass built?

It was built in 2004, making it 21 years old in 2025.

What condition is SH 8 over Pedestrian Pass 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 July 2022.

How much traffic does SH 8 over Pedestrian Pass carry?

About 3,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 8 over Pedestrian Pass?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 150 ft wide.

Who owns SH 8 over Pedestrian Pass?

It is owned by the State Highway Agency.