US Bridges

Mission Creek Road over Mission Creek

Good

Nez Perce County, Idaho · 1.0 S. Jacques Spur · Structure no. 000000000020261

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
180
2023 count
Owner
County
County Highway Agency

About this bridge

Mission Creek Road over Mission Creek is a steel stringer/multi-beam or girder carrying Mission Creek Road over Mission Creek in Nez Perce County, Idaho. It was built in 2016, so it is 9 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 180 vehicles a day, roughly 13% of them trucks, projected to reach 270 by 2042. The structure is 80 ft (24.4 m) long and 24 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesMission Creek Road
CrossesMission Creek
Location1.0 S. Jacques Spur
RouteCounty Highway 0
CountyNez Perce County
StateIdaho
Coordinates46.35789, -116.71989
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2023)
Projected traffic270 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mission Creek Road over Mission Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Mission Creek Road over Mission Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Mission Creek Road over Mission Creek carry?

About 180 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Mission Creek Road over Mission Creek?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 24 ft wide.

Who owns Mission Creek Road over Mission Creek?

It is owned by the County Highway Agency.