US Bridges

Ill 37 over Hamilton Br (rend L)

Good

Franklin County, Illinois · 1.6 MI N Ill 154 · Structure no. 028200200000000

Built
1965
60 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
42 ft
3 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 37 over Hamilton Br (rend L) is a concrete continuous culvert carrying Ill 37 over Hamilton Br (rend L) in Franklin County, Illinois. It was built in 1965, so it is 60 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 3,500 vehicles a day, roughly 7% of them trucks, projected to reach 3,939 by 2046. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIll 37
CrossesHamilton Br (rend L)
Location1.6 MI N Ill 154
RouteState Highway 37
Coordinates38.10113, -88.90771
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic3,939 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Hamilton Br (rend L) built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ill 37 over Hamilton Br (rend L) 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 February 2024.

How much traffic does Ill 37 over Hamilton Br (rend L) carry?

About 3,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ill 37 over Hamilton Br (rend L)?

The structure is 42 ft (12.8 m) long with a longest span of 15 ft (4.6 m).

Who owns Ill 37 over Hamilton Br (rend L)?

It is owned by the State Highway Agency.