US Bridges

Coll 7446 over Stream

Fair

Franklin County, Nebraska · O & 31 1/2 · Structure no. C003112203

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
120
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7446 over Stream is a concrete stringer/multi-beam or girder carrying Coll 7446 over Stream in Franklin County, Nebraska. It was built in 1985, so it is 40 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 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 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesColl 7446
CrossesStream
LocationO & 31 1/2
RouteCounty Highway 7446
CountyFranklin County
StateNebraska
Coordinates40.205, -98.9617
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating30.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 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 closed49.7 mi (80 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 Stream built?

It was built in 1985, making it 40 years old in 2025.

What condition is Coll 7446 over Stream 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 Coll 7446 over Stream carry?

About 120 vehicles per day (1998 count).

How long is Coll 7446 over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.

Who owns Coll 7446 over Stream?

It is owned by the County Highway Agency.