US Bridges

Coll 7638 over Stream

Good

Boone County, Nebraska · JCT N14/N32 3.5N 2.3E · Structure no. C000620410

Built
1978
47 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
75
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7638 over Stream is a steel stringer/multi-beam or girder carrying Coll 7638 over Stream in Boone County, Nebraska. It was built in 1978, so it is 47 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 127 by 2041. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesColl 7638
CrossesStream
LocationJCT N14/N32 3.5N 2.3E
RouteCounty Highway 7638
CountyBoone County
StateNebraska
Coordinates41.901, -98.0427
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1998)
Projected traffic127 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 7638 over Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is Coll 7638 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Coll 7638 over Stream carry?

About 75 vehicles per day (1998 count).

How long is Coll 7638 over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Coll 7638 over Stream?

It is owned by the County Highway Agency.