US Bridges

Norwood RD over Mud Creek

Fair

Valley County, Idaho · 0.2 S. 1.5 W. Donnelly · Structure no. 000000000020086

Built
2004
21 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
900
2023 count
Owner
County
County Highway Agency

About this bridge

Norwood RD over Mud Creek is a steel stringer/multi-beam or girder carrying Norwood RD over Mud Creek in Valley 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 900 vehicles a day, roughly 8% of them trucks, projected to reach 1,350 by 2042. The structure is 53 ft (16.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorwood RD
CrossesMud Creek
Location0.2 S. 1.5 W. Donnelly
RouteCounty Highway 0
StateIdaho
Coordinates44.72758, -116.10894
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,350 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$639,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Norwood RD over Mud Creek built?

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

What condition is Norwood RD over Mud 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 August 2024.

How much traffic does Norwood RD over Mud Creek carry?

About 900 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Norwood RD over Mud Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns Norwood RD over Mud Creek?

It is owned by the County Highway Agency.