US Bridges

IRR/N12 over Bazile Creek

PoorClosed to traffic

Knox County, Nebraska · 4E Niobrara · Structure no. S012 16603

Built
1946
79 years old, rebuilt 1977
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
3 main spans
Daily traffic
1,275
2018 count
Owner
State
State Highway Agency

About this bridge

IRR/N12 over Bazile Creek is a steel continuous stringer/multi-beam or girder carrying IRR/N12 over Bazile Creek in Knox County, Nebraska. It was built in 1946 and reconstructed in 1977, so it is 79 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. Its operating status is: closed to all traffic.

It carries about 1,275 vehicles a day, roughly 9% of them trucks, projected to reach 1,785 by 2038. The structure is 231 ft (70.4 m) long and 26 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

CarriesIRR/N12
CrossesBazile Creek
Location4E Niobrara
RouteState Highway 12
Coordinates42.7563, -97.9464
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length231 ft (70.4 m)
Longest span86 ft (26.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,275 (2018)
Projected traffic1,785 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/N12 over Bazile Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1977.

What condition is IRR/N12 over Bazile 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 October 2024.

How much traffic does IRR/N12 over Bazile Creek carry?

About 1,275 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is IRR/N12 over Bazile Creek?

The structure is 231 ft (70.4 m) long with a longest span of 86 ft (26.2 m) and a deck 26 ft wide.

Who owns IRR/N12 over Bazile Creek?

It is owned by the State Highway Agency.