US Bridges

Nimnicht Road over Nimnicht Creek

Poor

Knox County, Indiana · 01.55 NE US 150/50 · Structure no. 4200294

Built
1995
30 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
170
2016 count
Owner
County
County Highway Agency

About this bridge

Nimnicht Road over Nimnicht Creek is a steel stringer/multi-beam or girder carrying Nimnicht Road over Nimnicht Creek in Knox County, Indiana. It was built in 1995, so it is 30 years old, younger than the Indiana average of 46.6 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 170 vehicles a day, roughly 3% of them trucks, projected to reach 230 by 2037. The structure is 35 ft (10.6 m) long and 20 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesNimnicht Road
CrossesNimnicht Creek
Location01.55 NE US 150/50
RouteCounty Highway 0
StateIndiana
Coordinates38.66668, -87.27925
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating84.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2016)
Projected traffic230 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nimnicht Road over Nimnicht Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nimnicht Road over Nimnicht 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 August 2024.

How much traffic does Nimnicht Road over Nimnicht Creek carry?

About 170 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Nimnicht Road over Nimnicht Creek?

The structure is 35 ft (10.6 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Nimnicht Road over Nimnicht Creek?

It is owned by the County Highway Agency.