US Bridges

TR 45(KIRBY Rd) over Stream

Fair

Macon County, Illinois · 2 MI SE Oreana · Structure no. 058321500000000

Built
1981
44 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
800
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 45(KIRBY Rd) over Stream is a prestressed concrete box beam or girders - multiple carrying TR 45(KIRBY Rd) over Stream in Macon County, Illinois. It was built in 1981, so it is 44 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 800 vehicles a day, roughly 1% of them trucks, projected to reach 808 by 2046. The structure is 49 ft (14.9 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 45(KIRBY Rd)
CrossesStream
Location2 MI SE Oreana
RouteCounty Highway 0
CountyMacon County
StateIllinois
Coordinates39.92508, -88.83512
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
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 inspectionJanuary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.2 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2020)
Projected traffic808 by 2046
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 45(KIRBY Rd) over Stream built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 45(KIRBY Rd) over Stream 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 January 2025.

How much traffic does TR 45(KIRBY Rd) over Stream carry?

About 800 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is TR 45(KIRBY Rd) over Stream?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 29 ft wide.

Who owns TR 45(KIRBY Rd) over Stream?

It is owned by the Town or Township Highway Agency.