US Bridges

Ill 1 over Beaver Creek

Good

Gallatin County, Illinois · 0.2 MI N Hardin CO · Structure no. 030002400000000

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
1 main span
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 1 over Beaver Creek is a steel stringer/multi-beam or girder carrying Ill 1 over Beaver Creek in Gallatin County, Illinois. It was built in 2009, so it is 16 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 1,200 vehicles a day, roughly 45% of them trucks, projected to reach 1,212 by 2046. The structure is 132 ft (40.2 m) long and 35 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

Open in Google Maps
CarriesIll 1
CrossesBeaver Creek
Location0.2 MI N Hardin CO
RouteState Highway 1
CountyGallatin County
StateIllinois
Coordinates37.60323, -88.20821
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length132 ft (40.2 m)
Longest span130 ft (39.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,212 by 2046
Trucks45%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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 Ill 1 over Beaver Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ill 1 over Beaver 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 Ill 1 over Beaver Creek carry?

About 1,200 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is Ill 1 over Beaver Creek?

The structure is 132 ft (40.2 m) long with a longest span of 130 ft (39.5 m) and a deck 35 ft wide.

Who owns Ill 1 over Beaver Creek?

It is owned by the State Highway Agency.