US Bridges

US 51 NB over Sugar Creek

Good

McLean County, Illinois · 0.8 M N of Ill 9 · Structure no. 057025600000000

Built
2015
10 years old
Condition
Good
inspected July 2022
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
11,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 NB over Sugar Creek is a concrete continuous slab carrying US 51 NB over Sugar Creek in McLean County, Illinois. It was built in 2015, so it is 10 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 11,300 vehicles a day, roughly 4% of them trucks, projected to reach 11,413 by 2046. The structure is 99 ft (30.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 51 NB
CrossesSugar Creek
Location0.8 M N of Ill 9
RouteU.S. Route 51
CountyMcLean County
StateIllinois
Coordinates40.49851, -88.99443
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating62.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length99 ft (30.3 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,300 (2023)
Projected traffic11,413 by 2046
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 NB over Sugar Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is US 51 NB over Sugar Creek 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 July 2022.

How much traffic does US 51 NB over Sugar Creek carry?

About 11,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 51 NB over Sugar Creek?

The structure is 99 ft (30.3 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns US 51 NB over Sugar Creek?

It is owned by the State Highway Agency.