US Bridges

Coll 7456 over Stream

Fair

Buffalo County, Nebraska · 1.6E of Riverdale · Structure no. C001023825

Built
1998
27 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

Coll 7456 over Stream is a concrete stringer/multi-beam or girder carrying Coll 7456 over Stream in Buffalo County, Nebraska. It was built in 1998, so it is 27 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 70 vehicles a day, projected to reach 120 by 2042. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 43.5 mi (70 km).

Location

Open in Google Maps
CarriesColl 7456
CrossesStream
Location1.6E of Riverdale
RouteCounty Highway 7456
CountyBuffalo County
StateNebraska
Coordinates40.7867, -99.13
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic120 by 2042
Trucks0%
Lanes on structure2
Traffic directionHighway traffic not carried
CarriesHighway
CrossesWaterway
Detour if closed43.5 mi (70 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 7456 over Stream built?

It was built in 1998, making it 27 years old in 2025.

What condition is Coll 7456 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 October 2024.

How much traffic does Coll 7456 over Stream carry?

About 70 vehicles per day (2022 count).

How long is Coll 7456 over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns Coll 7456 over Stream?

It is owned by the County Highway Agency.