US Bridges

Main Street over Unnamed Creek

Good

Franklin County, Illinois · .25 Miles S. Il 149 · Structure no. 028600500000000

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
150
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Unnamed Creek is a prestressed concrete box beam or girders - multiple carrying Main Street over Unnamed Creek in Franklin County, Illinois. It was built in 2013, so it is 12 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 150 vehicles a day, roughly 27% of them trucks, projected to reach 177 by 2046. The structure is 66 ft (20.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMain Street
CrossesUnnamed Creek
Location.25 Miles S. Il 149
RouteCity Street 0
Coordinates37.87253, -89.11429
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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 length66 ft (20.2 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic177 by 2046
Trucks27%
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 Main Street over Unnamed Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Main Street over Unnamed 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 June 2023.

How much traffic does Main Street over Unnamed Creek carry?

About 150 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is Main Street over Unnamed Creek?

The structure is 66 ft (20.2 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Main Street over Unnamed Creek?

It is owned by the City or Municipal Highway Agency.