US Bridges

Belt Line RD over Il RR

Fair

Winnebago County, Illinois · 0.8 MI W of Ill 251 · Structure no. 101017200000000

Built
2010
15 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
184 ft
3 main spans
Daily traffic
1,650
2022 count
Owner
County
County Highway Agency

About this bridge

Belt Line RD over Il RR is a steel continuous stringer/multi-beam or girder carrying Belt Line RD over Il RR in Winnebago County, Illinois. It was built in 2010, so it is 15 years old, younger 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 1,650 vehicles a day, roughly 33% of them trucks, projected to reach 1,768 by 2046. The structure is 184 ft (56.1 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesBelt Line RD
CrossesIl RR
Location0.8 MI W of Ill 251
CountyWinnebago County
StateIllinois
Coordinates42.17685, -89.08634
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length184 ft (56.1 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2022)
Projected traffic1,768 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Belt Line RD over Il RR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Belt Line RD over Il RR 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 June 2022.

How much traffic does Belt Line RD over Il RR carry?

About 1,650 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is Belt Line RD over Il RR?

The structure is 184 ft (56.1 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns Belt Line RD over Il RR?

It is owned by the County Highway Agency.