US Bridges

County Road 728 over Medicine Creek Spillway

FairPosted for load

Frontier County, Nebraska · 7.2 MI NW of Cambridge · Structure no. NKA-FCD-001

Built
1949
76 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
235 ft
5 main spans
Daily traffic
170
2014 count
Owner
Federal
Bureau of Reclamation

About this bridge

County Road 728 over Medicine Creek Spillway is a concrete tee beam carrying County Road 728 over Medicine Creek Spillway in Frontier County, Nebraska. It was built in 1949, so it is 76 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 170 vehicles a day, projected to reach 190 by 2040. The structure is 235 ft (71.6 m) long and 28 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesCounty Road 728
CrossesMedicine Creek Spillway
Location7.2 MI NW of Cambridge
RouteCounty Highway 728
CountyFrontier County
StateNebraska
Coordinates40.37949, -100.21425
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length235 ft (71.6 m)
Longest span52 ft (15.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2014)
Projected traffic190 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 Road 728 over Medicine Creek Spillway built?

It was built in 1949, making it 76 years old in 2025.

What condition is County Road 728 over Medicine Creek Spillway 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 April 2024.

How much traffic does County Road 728 over Medicine Creek Spillway carry?

About 170 vehicles per day (2014 count).

How long is County Road 728 over Medicine Creek Spillway?

The structure is 235 ft (71.6 m) long with a longest span of 52 ft (15.8 m) and a deck 28 ft wide.

Who owns County Road 728 over Medicine Creek Spillway?

It is owned by the Bureau of Reclamation.