US Bridges

Nokomis Oconee RD over Creek

Fair

Montgomery County, Illinois · 8 MI E Nokomis · Structure no. 068330600000000

Built
1991
34 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
3 main spans
Daily traffic
500
2020 count
Owner
County
County Highway Agency

About this bridge

Nokomis Oconee RD over Creek is a prestressed concrete box beam or girders - multiple carrying Nokomis Oconee RD over Creek in Montgomery County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 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 500 vehicles a day, roughly 14% of them trucks, projected to reach 505 by 2046. The structure is 101 ft (30.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNokomis Oconee RD
CrossesCreek
Location8 MI E Nokomis
RouteCounty Highway 0
CountyMontgomery County
StateIllinois
Coordinates39.29049, -89.14027
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.7 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic505 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nokomis Oconee RD over Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nokomis Oconee RD over Creek 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 November 2024.

How much traffic does Nokomis Oconee RD over Creek carry?

About 500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Nokomis Oconee RD over Creek?

The structure is 101 ft (30.7 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns Nokomis Oconee RD over Creek?

It is owned by the County Highway Agency.