US Bridges

1350 E over Riley Creek

Good

Hamilton County, Illinois · 2.75 MI W Dolan Lake · Structure no. 033331900000000

Built
2014
11 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
25
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

1350 E over Riley Creek is a prestressed concrete box beam or girders - multiple carrying 1350 E over Riley Creek in Hamilton County, Illinois. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 20% of them trucks, projected to reach 25 by 2046. The structure is 72 ft (21.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries1350 E
CrossesRiley Creek
Location2.75 MI W Dolan Lake
RouteCounty Highway 0
Coordinates38.06026, -88.45611
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.8 m)
Longest span69 ft (21 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2017)
Projected traffic25 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 1350 E over Riley Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is 1350 E over Riley 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 February 2024.

How much traffic does 1350 E over Riley Creek carry?

About 25 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is 1350 E over Riley Creek?

The structure is 72 ft (21.8 m) long with a longest span of 69 ft (21 m) and a deck 24 ft wide.

Who owns 1350 E over Riley Creek?

It is owned by the Town or Township Highway Agency.