US Bridges

N8 over Blakely Creek

Good

Nuckolls County, Nebraska · 1E Superior · Structure no. S008 00117

Built
2000
25 years old
Condition
Good
inspected July 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
1,035
2018 count
Owner
State
State Highway Agency

About this bridge

N8 over Blakely Creek is a prestressed concrete stringer/multi-beam or girder carrying N8 over Blakely Creek in Nuckolls County, Nebraska. It was built in 2000, so it is 25 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 1,035 vehicles a day, roughly 12% of them trucks, projected to reach 1,346 by 2038. The structure is 95 ft (29 m) long and 46 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesN8
CrossesBlakely Creek
Location1E Superior
RouteState Highway 8
CountyNuckolls County
StateNebraska
Coordinates40.0174, -98.0445
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.9 US tons
Inventory rating48.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length95 ft (29 m)
Longest span92 ft (28 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,035 (2018)
Projected traffic1,346 by 2038
Trucks12%
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

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 N8 over Blakely Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is N8 over Blakely Creek 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 July 2021.

How much traffic does N8 over Blakely Creek carry?

About 1,035 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N8 over Blakely Creek?

The structure is 95 ft (29 m) long with a longest span of 92 ft (28 m) and a deck 46 ft wide.

Who owns N8 over Blakely Creek?

It is owned by the State Highway Agency.