US Bridges

Coll 7814 over Coon Creek

Fair

Johnson County, Nebraska · 2S .5W of Cook · Structure no. C004930825

Built
1935
90 years old, rebuilt 1983
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
3 main spans
Daily traffic
75
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7814 over Coon Creek is a steel stringer/multi-beam or girder carrying Coll 7814 over Coon Creek in Johnson County, Nebraska. It was built in 1935 and reconstructed in 1983, 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 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 75 vehicles a day, projected to reach 75 by 2033. The structure is 82 ft (25 m) long and 27 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesColl 7814
CrossesCoon Creek
Location2S .5W of Cook
RouteCounty Highway 7814
Coordinates40.4796, -96.1707
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.5 US tons
Inventory rating48.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length82 ft (25 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1998)
Projected traffic75 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Coll 7814 over Coon Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1983.

What condition is Coll 7814 over Coon 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 October 2024.

How much traffic does Coll 7814 over Coon Creek carry?

About 75 vehicles per day (1998 count).

How long is Coll 7814 over Coon Creek?

The structure is 82 ft (25 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns Coll 7814 over Coon Creek?

It is owned by the County Highway Agency.