US Bridges

US 51 over Stream

Good

Jackson County, Illinois · 1 MI N of Makanda · Structure no. 039201200000000

Built
1977
48 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
6,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Stream is a concrete continuous culvert carrying US 51 over Stream in Jackson County, Illinois. It was built in 1977, so it is 48 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 6,400 vehicles a day, roughly 8% of them trucks, projected to reach 6,010 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 51
CrossesStream
Location1 MI N of Makanda
RouteU.S. Route 51
Coordinates37.63658, -89.23564
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 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 rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2023)
Projected traffic6,010 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 US 51 over Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 51 over Stream 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 2023.

How much traffic does US 51 over Stream carry?

About 6,400 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 51 over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m).

Who owns US 51 over Stream?

It is owned by the State Highway Agency.