US Bridges

N128 over Stream

Good

Otoe County, Nebraska · 1W Lorton · Structure no. S128 00663

Built
1986
39 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
785
2018 count
Owner
State
State Highway Agency

About this bridge

N128 over Stream is a concrete culvert carrying N128 over Stream in Otoe County, Nebraska. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 785 vehicles a day, roughly 10% of them trucks, projected to reach 1,060 by 2038. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN128
CrossesStream
Location1W Lorton
RouteState Highway 128
Coordinates40.5957, -96.0533
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal 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
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic785 (2018)
Projected traffic1,060 by 2038
Trucks10%
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

OwnerState Highway Agency
Maintained byState 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 N128 over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is N128 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 February 2025.

How much traffic does N128 over Stream carry?

About 785 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N128 over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).

Who owns N128 over Stream?

It is owned by the State Highway Agency.