US Bridges

N4 over Turkey Creek

Poor

Pawnee County, Nebraska · 6W Table Rock · Structure no. S004 18957

Built
1966
59 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
245 ft
3 main spans
Daily traffic
570
2018 count
Owner
State
State Highway Agency

About this bridge

N4 over Turkey Creek is a steel continuous stringer/multi-beam or girder carrying N4 over Turkey Creek in Pawnee County, Nebraska. It was built in 1966, so it is 59 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 570 vehicles a day, roughly 13% of them trucks, projected to reach 798 by 2038. The structure is 245 ft (74.7 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN4
CrossesTurkey Creek
Location6W Table Rock
RouteState Highway 4
Coordinates40.1895, -96.224
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length245 ft (74.7 m)
Longest span95 ft (29 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2018)
Projected traffic798 by 2038
Trucks13%
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 N4 over Turkey Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is N4 over Turkey Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does N4 over Turkey Creek carry?

About 570 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N4 over Turkey Creek?

The structure is 245 ft (74.7 m) long with a longest span of 95 ft (29 m) and a deck 33 ft wide.

Who owns N4 over Turkey Creek?

It is owned by the State Highway Agency.