US Bridges

Il 251 W. Fr. Rd. over Mc Donald Creek

Fair

Winnebago County, Illinois · 2.0 Mi. N. of Il 173 · Structure no. 101016200000000

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
70 ft
3 main spans
Daily traffic
1,350
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Il 251 W. Fr. Rd. over Mc Donald Creek is a concrete slab carrying Il 251 W. Fr. Rd. over Mc Donald Creek in Winnebago County, Illinois. It was built in 1992, so it is 33 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 5 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 1,350 vehicles a day, roughly 23% of them trucks, projected to reach 1,768 by 2046. The structure is 70 ft (21.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIl 251 W. Fr. Rd.
CrossesMc Donald Creek
Location2.0 Mi. N. of Il 173
RouteCity Street 0
CountyWinnebago County
StateIllinois
Coordinates42.39004, -89.01752
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span27 ft (8.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2022)
Projected traffic1,768 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Il 251 W. Fr. Rd. over Mc Donald Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Il 251 W. Fr. Rd. over Mc Donald Creek 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 September 2024.

How much traffic does Il 251 W. Fr. Rd. over Mc Donald Creek carry?

About 1,350 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Il 251 W. Fr. Rd. over Mc Donald Creek?

The structure is 70 ft (21.3 m) long with a longest span of 27 ft (8.2 m) and a deck 35 ft wide.

Who owns Il 251 W. Fr. Rd. over Mc Donald Creek?

It is owned by the City or Municipal Highway Agency.