US Bridges

Stc 3938;ROSEBERRY over Mud Creek

Good

Valley County, Idaho · 1.6 W. Donnelly · Structure no. 000000000028568

Built
2004
21 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
970
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3938;ROSEBERRY over Mud Creek is a steel stringer/multi-beam or girder carrying Stc 3938;ROSEBERRY 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 970 vehicles a day, roughly 3% of them trucks, projected to reach 1,455 by 2042. The structure is 54 ft (16.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStc 3938;ROSEBERRY
CrossesMud Creek
Location1.6 W. Donnelly
RouteCounty Highway 3938
StateIdaho
Coordinates44.73114, -116.1105
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 length54 ft (16.5 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 traffic970 (2023)
Projected traffic1,455 by 2042
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 3938;ROSEBERRY over Mud Creek built?

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

What condition is Stc 3938;ROSEBERRY over Mud 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 August 2023.

How much traffic does Stc 3938;ROSEBERRY over Mud Creek carry?

About 970 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stc 3938;ROSEBERRY over Mud Creek?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns Stc 3938;ROSEBERRY over Mud Creek?

It is owned by the County Highway Agency.