US Bridges

TR 536 over Sangamon River

Good

McLean County, Illinois · 2.0 MI SE Arrowsmith · Structure no. 057320900000000

Built
1973
52 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 536 over Sangamon River is a concrete continuous slab carrying TR 536 over Sangamon River in McLean County, Illinois. It was built in 1973, so it is 52 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 95 ft (29 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 536
CrossesSangamon River
Location2.0 MI SE Arrowsmith
RouteCounty Highway 0
Coordinates40.42189, -88.61235
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length95 ft (29 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 536 over Sangamon River built?

It was built in 1973, making it 52 years old in 2025.

What condition is TR 536 over Sangamon River 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 October 2024.

How much traffic does TR 536 over Sangamon River carry?

About 25 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is TR 536 over Sangamon River?

The structure is 95 ft (29 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns TR 536 over Sangamon River?

It is owned by the Town or Township Highway Agency.