US Bridges

Coll 7578 over Stream

FairPosted for load

Thayer County, Nebraska · 4.8S .5E of Hebron · Structure no. C008503820

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
45
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7578 over Stream is a steel stringer/multi-beam or girder carrying Coll 7578 over Stream in Thayer 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. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 45 by 2033. The structure is 60 ft (18.3 m) long and 29 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7578
CrossesStream
Location4.8S .5E of Hebron
RouteCounty Highway 7578
Coordinates40.0883, -97.5683
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (1998)
Projected traffic45 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 7578 over Stream built?

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

What condition is Coll 7578 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 December 2024.

How much traffic does Coll 7578 over Stream carry?

About 45 vehicles per day (1998 count).

How long is Coll 7578 over Stream?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 29 ft wide.

Who owns Coll 7578 over Stream?

It is owned by the County Highway Agency.