US Bridges

County Highway over Mitchell Creek

PoorPosted for load

Frontier County, Nebraska · 3S 2.5E of Moorefield · Structure no. C003211015

Built
1935
90 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Mitchell Creek is a steel stringer/multi-beam or girder carrying County Highway over Mitchell Creek in Frontier County, Nebraska. It was built in 1935, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 17 by 2033. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesCounty Highway
CrossesMitchell Creek
Location3S 2.5E of Moorefield
RouteCounty Highway 110
Coordinates40.6417, -100.3533
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32 US tons
Inventory rating18.7 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic17 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Mitchell Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is County Highway over Mitchell Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does County Highway over Mitchell Creek carry?

About 10 vehicles per day (2003 count).

How long is County Highway over Mitchell Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns County Highway over Mitchell Creek?

It is owned by the County Highway Agency.