US Bridges

US 51 Busn(fap 708 over Stream

Good

De Witt County, Illinois · 1 MI N of Clinton · Structure no. 020200800000000

Built
1986
39 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 Busn(fap 708 over Stream is a concrete continuous culvert carrying US 51 Busn(fap 708 over Stream in De Witt County, Illinois. It was built in 1986, so it is 39 years old, younger 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 2,800 vehicles a day, roughly 9% of them trucks, projected to reach 2,879 by 2046. The structure is 34 ft (10.5 m) long.

CarriesUS 51 Busn(fap 708
CrossesStream
Location1 MI N of Clinton
RouteU.S. Route 51
Coordinates40.17276, -88.96077
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
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 rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic2,879 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Busn(fap 708 over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 51 Busn(fap 708 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 September 2024.

How much traffic does US 51 Busn(fap 708 over Stream carry?

About 2,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 51 Busn(fap 708 over Stream?

The structure is 34 ft (10.5 m) long with a longest span of 15 ft (4.7 m).

Who owns US 51 Busn(fap 708 over Stream?

It is owned by the State Highway Agency.