US Bridges

Poco RD over Alcorn Creek

Good

Pope County, Illinois · Massac CO Line · Structure no. 076309800000000

Built
2015
10 years old
Condition
Good
inspected March 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
10
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Poco RD over Alcorn Creek is a prestressed concrete box beam or girders - multiple carrying Poco RD over Alcorn Creek in Pope County, Illinois. It was built in 2015, so it is 10 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 10 vehicles a day, roughly 40% of them trucks, projected to reach 25 by 2046. The structure is 47 ft (14.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPoco RD
CrossesAlcorn Creek
LocationMassac CO Line
RouteCounty Highway 0
Coordinates37.1574, -88.49037
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 inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic25 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Poco RD over Alcorn Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Poco RD over Alcorn 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 March 2021.

How much traffic does Poco RD over Alcorn Creek carry?

About 10 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is Poco RD over Alcorn Creek?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns Poco RD over Alcorn Creek?

It is owned by the Town or Township Highway Agency.