US Bridges

Mulford Road over Kilbuck Creek

Good

Ogle County, Illinois · 4.5 M NW Creston · Structure no. 071325800000000

Built
1981
44 years old
Condition
Good
inspected July 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
625
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mulford Road over Kilbuck Creek is a prestressed concrete box beam or girders - multiple carrying Mulford Road over Kilbuck Creek in Ogle County, Illinois. It was built in 1981, so it is 44 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 625 vehicles a day, roughly 17% of them trucks, projected to reach 780 by 2046. The structure is 63 ft (19.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMulford Road
CrossesKilbuck Creek
Location4.5 M NW Creston
RouteCounty Highway 0
Coordinates41.98969, -89.0005
Functional classRural Local

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 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2022)
Projected traffic780 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Mulford Road over Kilbuck Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Mulford Road over Kilbuck 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 2021.

How much traffic does Mulford Road over Kilbuck Creek carry?

About 625 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Mulford Road over Kilbuck Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Mulford Road over Kilbuck Creek?

It is owned by the Town or Township Highway Agency.