US Bridges

County Highway over Calamus River

Fair

Rock County, Nebraska · 5W US183 Loup Cl · Structure no. C0S7500210

Built
2002
23 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
56 ft
2 main spans
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Calamus River is a concrete stringer/multi-beam or girder carrying County Highway over Calamus River in Rock 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 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 10 vehicles a day, projected to reach 17 by 2033. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCalamus River
Location5W US183 Loup Cl
RouteCounty Highway 0S2
CountyRock County
StateNebraska
Coordinates42.0867, -99.6167
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating40.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 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 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Calamus River built?

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

What condition is County Highway over Calamus River 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 July 2023.

How much traffic does County Highway over Calamus River carry?

About 10 vehicles per day (2003 count).

How long is County Highway over Calamus River?

The structure is 56 ft (17.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns County Highway over Calamus River?

It is owned by the County Highway Agency.