US Bridges

Sheridan Road over Mission Creek

Good

LaSalle County, Illinois · 0.7 MI N of US 52 · Structure no. 050009100000000

Built
1930
95 years old, rebuilt 1987
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
1,700
2020 count
Owner
County
County Highway Agency

About this bridge

Sheridan Road over Mission Creek is a prestressed concrete stringer/multi-beam or girder carrying Sheridan Road over Mission Creek in LaSalle County, Illinois. It was built in 1930 and reconstructed in 1987, so it is 95 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 1,700 vehicles a day, roughly 6% of them trucks, projected to reach 1,717 by 2046. The structure is 56 ft (17.1 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesSheridan Road
CrossesMission Creek
Location0.7 MI N of US 52
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.49707, -88.66991
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span51 ft (15.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic1,717 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sheridan Road over Mission Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1987.

What condition is Sheridan Road over Mission 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 April 2023.

How much traffic does Sheridan Road over Mission Creek carry?

About 1,700 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Sheridan Road over Mission Creek?

The structure is 56 ft (17.1 m) long with a longest span of 51 ft (15.5 m) and a deck 34 ft wide.

Who owns Sheridan Road over Mission Creek?

It is owned by the County Highway Agency.