US Bridges

CH-20 over Bee Branch

Good

Marion County, Illinois · 3 MI S Omega · Structure no. 061330400000000

Built
2009
16 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
275
2022 count
Owner
County
County Highway Agency

About this bridge

CH-20 over Bee Branch is a prestressed concrete box beam or girders - multiple carrying CH-20 over Bee Branch in Marion 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 275 vehicles a day, roughly 17% of them trucks, projected to reach 227 by 2046. The structure is 61 ft (18.7 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCH-20
CrossesBee Branch
Location3 MI S Omega
RouteCounty Highway 0
Coordinates38.66441, -88.78963
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 inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span61 ft (18.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2022)
Projected traffic227 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CH-20 over Bee Branch built?

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

What condition is CH-20 over Bee 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 March 2024.

How much traffic does CH-20 over Bee Branch carry?

About 275 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is CH-20 over Bee Branch?

The structure is 61 ft (18.7 m) long with a longest span of 61 ft (18.7 m) and a deck 24 ft wide.

Who owns CH-20 over Bee Branch?

It is owned by the County Highway Agency.