US Bridges

Mulford Road over Spring Creek

Good

Winnebago County, Illinois · .01 N of Springbrook · Structure no. 101504300000000

Built
1964
61 years old, rebuilt 1982
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
18,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mulford Road over Spring Creek is a concrete culvert carrying Mulford Road over Spring Creek in Winnebago County, Illinois. It was built in 1964 and reconstructed in 1982, so it is 61 years old, older 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 18,300 vehicles a day, roughly 3% of them trucks, projected to reach 20,099 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMulford Road
CrossesSpring Creek
Location.01 N of Springbrook
Coordinates42.30412, -88.99962
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 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 rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2022)
Projected traffic20,099 by 2046
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Mulford Road over Spring Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1982.

What condition is Mulford Road over Spring 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 October 2023.

How much traffic does Mulford Road over Spring Creek carry?

About 18,300 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Mulford Road over Spring Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Mulford Road over Spring Creek?

It is owned by the City or Municipal Highway Agency.