US Bridges

Coll 7599 over Stream

Fair

Thayer County, Nebraska · .5E 6S of Davenport · Structure no. C008500325

Built
1971
54 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7599 over Stream is a steel stringer/multi-beam or girder carrying Coll 7599 over Stream in Thayer County, Nebraska. It was built in 1971, so it is 54 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 100 vehicles a day, projected to reach 100 by 2033. The structure is 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesColl 7599
CrossesStream
Location.5E 6S of Davenport
RouteCounty Highway 7599
CountyThayer County
StateNebraska
Coordinates40.2267, -97.8017
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating34.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic100 by 2033
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 7599 over Stream built?

It was built in 1971, making it 54 years old in 2025.

What condition is Coll 7599 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 2023.

How much traffic does Coll 7599 over Stream carry?

About 100 vehicles per day (1998 count).

How long is Coll 7599 over Stream?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns Coll 7599 over Stream?

It is owned by the County Highway Agency.