US Bridges

TR 99 over Unnamed Creek

Fair

Kankakee County, Illinois · 3.5 MI SE Momence · Structure no. 046340800000000

Built
1982
43 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 99 over Unnamed Creek is a prestressed concrete box beam or girders - multiple carrying TR 99 over Unnamed Creek in Kankakee County, Illinois. It was built in 1982, so it is 43 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 100 vehicles a day, roughly 22% of them trucks, projected to reach 102 by 2046. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 99
CrossesUnnamed Creek
Location3.5 MI SE Momence
RouteCounty Highway 0
Coordinates41.13886, -87.62919
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic102 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 99 over Unnamed Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 99 over Unnamed 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 June 2024.

How much traffic does TR 99 over Unnamed Creek carry?

About 100 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is TR 99 over Unnamed Creek?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns TR 99 over Unnamed Creek?

It is owned by the Town or Township Highway Agency.