US Bridges

County Highway over Mill Creek

Good

Washington County, Nebraska · 2.5W 1N Fort Calhoun · Structure no. C008913910

Built
2002
23 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
135
2002 count
Owner
County
County Highway Agency

About this bridge

County Highway over Mill Creek is a steel stringer/multi-beam or girder carrying County Highway over Mill Creek in Washington County, Nebraska. It was built in 2002, so it is 23 years old, younger than the Nebraska average of 47.1 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 135 vehicles a day, roughly 10% of them trucks, projected to reach 148 by 2033. The structure is 90 ft (27.4 m) long and 30 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesMill Creek
Location2.5W 1N Fort Calhoun
RouteCounty Highway 139
CountyWashington County
StateNebraska
Coordinates41.475, -96.0783
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 inspectionAugust 2022
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span89 ft (27.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2002)
Projected traffic148 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Mill Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Highway over Mill 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 2022.

How much traffic does County Highway over Mill Creek carry?

About 135 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is County Highway over Mill Creek?

The structure is 90 ft (27.4 m) long with a longest span of 89 ft (27.1 m) and a deck 30 ft wide.

Who owns County Highway over Mill Creek?

It is owned by the County Highway Agency.