US Bridges

N8 over Balls Branch

Fair

Pawnee County, Nebraska · 4W Pawnee City · Structure no. S008 11007

Built
2000
25 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
825
2018 count
Owner
State
State Highway Agency

About this bridge

N8 over Balls Branch is a concrete continuous slab carrying N8 over Balls Branch in Pawnee 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 825 vehicles a day, roughly 10% of them trucks, projected to reach 1,073 by 2038. The structure is 137 ft (41.8 m) long and 38 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesN8
CrossesBalls Branch
Location4W Pawnee City
RouteState Highway 8
CountyPawnee County
StateNebraska
Coordinates40.11, -96.225
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating79.4 US tons
Inventory rating47.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length137 ft (41.8 m)
Longest span50 ft (15.2 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic825 (2018)
Projected traffic1,073 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Balls Branch built?

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

What condition is N8 over Balls Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does N8 over Balls Branch carry?

About 825 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N8 over Balls Branch?

The structure is 137 ft (41.8 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.

Who owns N8 over Balls Branch?

It is owned by the State Highway Agency.