US Bridges

Ill 37 over Stream S Whittington

Fair

Franklin County, Illinois · 2.2 MI S Ill 154 · Structure no. 028003300000000

Built
1921
104 years old, rebuilt 1952
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
6,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 37 over Stream S Whittington is a concrete tee beam carrying Ill 37 over Stream S Whittington in Franklin County, Illinois. It was built in 1921 and reconstructed in 1952, so it is 104 years old, older 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 6,350 vehicles a day, roughly 8% of them trucks, projected to reach 6,060 by 2046. The structure is 33 ft (10.1 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesIll 37
CrossesStream S Whittington
Location2.2 MI S Ill 154
RouteState Highway 37
Coordinates38.04891, -88.92117
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.6 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,350 (2023)
Projected traffic6,060 by 2046
Trucks8%
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

OwnerState Highway Agency
Maintained byState 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 Ill 37 over Stream S Whittington built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1952.

What condition is Ill 37 over Stream S Whittington 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 September 2024.

How much traffic does Ill 37 over Stream S Whittington carry?

About 6,350 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ill 37 over Stream S Whittington?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.6 m) and a deck 40 ft wide.

Who owns Ill 37 over Stream S Whittington?

It is owned by the State Highway Agency.