US Bridges

TR 3/KEYESPORT Roa over Shoal CR

Good

Clinton County, Illinois · East of Jamestown · Structure no. 014402900000000

Built
1986
39 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
300
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 3/KEYESPORT Roa over Shoal CR is a prestressed concrete box beam or girders - multiple carrying TR 3/KEYESPORT Roa over Shoal CR in Clinton County, Illinois. It was built in 1986, so it is 39 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 9% of them trucks, projected to reach 330 by 2046. The structure is 152 ft (46.2 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesTR 3/KEYESPORT Roa
CrossesShoal CR
LocationEast of Jamestown
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.73368, -89.50316
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 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, precast panels
Main spans3
Design loadHS 20
Structure length152 ft (46.2 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic330 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 3/KEYESPORT Roa over Shoal CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 3/KEYESPORT Roa over Shoal CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does TR 3/KEYESPORT Roa over Shoal CR carry?

About 300 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is TR 3/KEYESPORT Roa over Shoal CR?

The structure is 152 ft (46.2 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns TR 3/KEYESPORT Roa over Shoal CR?

It is owned by the Town or Township Highway Agency.