US Bridges

County Road 37 over Mill Creek

FairPosted for load

Washington County, Nebraska · 1E 2S Blair · Structure no. C008923710

Built
1945
80 years old, rebuilt 1970
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
103 ft
1 main span
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 37 over Mill Creek is a steel truss - thru carrying County Road 37 over Mill Creek in Washington County, Nebraska. It was built in 1945 and reconstructed in 1970, so it is 80 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 42 by 2033. The structure is 103 ft (31.4 m) long and 18 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesCounty Road 37
CrossesMill Creek
Location1E 2S Blair
RouteCounty Highway 237
CountyWashington County
StateNebraska
Coordinates41.4935, -96.0981
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating5.5 US tons
Inventory rating3.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1 (+1 approach)
Design loadUnknown
Structure length103 ft (31.4 m)
Longest span80 ft (24.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic42 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Road 37 over Mill Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1970.

What condition is County Road 37 over Mill 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 2023.

How much traffic does County Road 37 over Mill Creek carry?

About 25 vehicles per day (2003 count).

How long is County Road 37 over Mill Creek?

The structure is 103 ft (31.4 m) long with a longest span of 80 ft (24.4 m) and a deck 18 ft wide.

Who owns County Road 37 over Mill Creek?

It is owned by the County Highway Agency.