US Bridges

Coll 7446 over Center Creek

Fair

Franklin County, Nebraska · 28 & N 1/2 · Structure no. C003102205P

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
2 main spans
Daily traffic
120
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7446 over Center Creek is a steel stringer/multi-beam or girder carrying Coll 7446 over Center Creek in Franklin County, Nebraska. It was built in 1973, so it is 52 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.

It carries about 120 vehicles a day, projected to reach 204 by 2042. The structure is 41 ft (12.5 m) long and 26 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

Location

Open in Google Maps
CarriesColl 7446
CrossesCenter Creek
Location28 & N 1/2
RouteCounty Highway 7446
CountyFranklin County
StateNebraska
Coordinates40.201, -99.0285
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span19 ft (5.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (1998)
Projected traffic204 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 7446 over Center Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Coll 7446 over Center 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 2023.

How much traffic does Coll 7446 over Center Creek carry?

About 120 vehicles per day (1998 count).

How long is Coll 7446 over Center Creek?

The structure is 41 ft (12.5 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns Coll 7446 over Center Creek?

It is owned by the County Highway Agency.