US Bridges

County Highway over Deer Creek

Fair

Johnson County, Nebraska · 1.1S 2.3W of St. Mary · Structure no. C004901515

Built
1987
38 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
40
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Deer Creek is a concrete continuous slab carrying County Highway over Deer Creek in Johnson County, Nebraska. It was built in 1987, so it is 38 years old, younger 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 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 40 vehicles a day, projected to reach 68 by 2033. The structure is 107 ft (32.6 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Highway
CrossesDeer Creek
Location1.1S 2.3W of St. Mary
RouteCounty Highway 15
Coordinates40.4087, -96.3312
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.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length107 ft (32.6 m)
Longest span42 ft (12.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2003)
Projected traffic68 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Deer Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Highway over Deer 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 September 2023.

How much traffic does County Highway over Deer Creek carry?

About 40 vehicles per day (2003 count).

How long is County Highway over Deer Creek?

The structure is 107 ft (32.6 m) long with a longest span of 42 ft (12.8 m) and a deck 30 ft wide.

Who owns County Highway over Deer Creek?

It is owned by the County Highway Agency.