US Bridges

Coll 7643 over Stream

Good

Boone County, Nebraska · 5E .9N Petersburg · Structure no. C000623335

Built
2006
19 years old
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
15
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7643 over Stream is a steel culvert carrying Coll 7643 over Stream in Boone County, Nebraska. It was built in 2006, so it is 19 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 25 by 2041. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesColl 7643
CrossesStream
Location5E .9N Petersburg
RouteCounty Highway 7643
Coordinates41.8711, -97.9879
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
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1998)
Projected traffic25 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 7643 over Stream built?

It was built in 2006, making it 19 years old in 2025.

What condition is Coll 7643 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 2022.

How much traffic does Coll 7643 over Stream carry?

About 15 vehicles per day (1998 count).

How long is Coll 7643 over Stream?

The structure is 20 ft (6.1 m) long with a longest span of 9 ft (2.7 m).

Who owns Coll 7643 over Stream?

It is owned by the County Highway Agency.