US Bridges

Jimtown RD (tr 18) over I-72 / US 36

Good

Sangamon County, Illinois · .75M W New Berln Int · Structure no. 084014100000000

Built
1974
51 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
253 ft
2 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

Jimtown RD (tr 18) over I-72 / US 36 is a steel continuous box beam or girders - single or spread carrying Jimtown RD (tr 18) over I-72 / US 36 in Sangamon County, Illinois. It was built in 1974, so it is 51 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 253 ft (77 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesJimtown RD (tr 18)
CrossesI-72 / US 36
Location.75M W New Berln Int
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.74036, -89.93851
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length253 ft (77 m)
Longest span109 ft (33.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Jimtown RD (tr 18) over I-72 / US 36 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Jimtown RD (tr 18) over I-72 / US 36 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 August 2023.

How much traffic does Jimtown RD (tr 18) over I-72 / US 36 carry?

About 50 vehicles per day (2022 count).

How long is Jimtown RD (tr 18) over I-72 / US 36?

The structure is 253 ft (77 m) long with a longest span of 109 ft (33.2 m) and a deck 32 ft wide.

Who owns Jimtown RD (tr 18) over I-72 / US 36?

It is owned by the State Highway Agency.