US Bridges

Coll 7906 over Little Nemaha River

Good

Otoe County, Nebraska · 1W Syracuse · Structure no. C006622025

Built
1992
33 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
3 main spans
Daily traffic
300
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7906 over Little Nemaha River is a steel continuous stringer/multi-beam or girder carrying Coll 7906 over Little Nemaha River in Otoe County, Nebraska. It was built in 1992, so it is 33 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 300 vehicles a day, projected to reach 300 by 2033. The structure is 252 ft (76.8 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7906
CrossesLittle Nemaha River
Location1W Syracuse
RouteCounty Highway 7906
Coordinates40.6537, -96.2069
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span98 ft (29.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1998)
Projected traffic300 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 7906 over Little Nemaha River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Coll 7906 over Little Nemaha River 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 November 2024.

How much traffic does Coll 7906 over Little Nemaha River carry?

About 300 vehicles per day (1998 count).

How long is Coll 7906 over Little Nemaha River?

The structure is 252 ft (76.8 m) long with a longest span of 98 ft (29.9 m) and a deck 30 ft wide.

Who owns Coll 7906 over Little Nemaha River?

It is owned by the County Highway Agency.