US Bridges

Il 14 over Carlton Branch

Good

Franklin County, Illinois · 0.4 MI W Hamilton CO · Structure no. 028008900000000

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
2,050
2023 count
Owner
State
State Highway Agency

About this bridge

Il 14 over Carlton Branch is a steel stringer/multi-beam or girder carrying Il 14 over Carlton Branch in Franklin County, Illinois. It was built in 2021, so it is 4 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 2,050 vehicles a day, roughly 12% of them trucks, projected to reach 2,374 by 2046. The structure is 83 ft (25.2 m) long and 39 ft wide. If it were closed, the detour would be 51 mi (82 km).

Location

Open in Google Maps
CarriesIl 14
CrossesCarlton Branch
Location0.4 MI W Hamilton CO
RouteState Highway 14
CountyFranklin County
StateIllinois
Coordinates38.07124, -88.71417
Functional classRural Minor Arterial

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 inspectionJuly 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 rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length83 ft (25.2 m)
Longest span79 ft (24 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2023)
Projected traffic2,374 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 14 over Carlton Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Il 14 over Carlton Branch 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 2023.

How much traffic does Il 14 over Carlton Branch carry?

About 2,050 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 14 over Carlton Branch?

The structure is 83 ft (25.2 m) long with a longest span of 79 ft (24 m) and a deck 39 ft wide.

Who owns Il 14 over Carlton Branch?

It is owned by the State Highway Agency.