US Bridges

Ch 1 (fas 573) over Trib Allens Grove Di

Good

Menard County, Illinois · 3 MI E of Greenview · Structure no. 065312800000000

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
325
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 1 (fas 573) over Trib Allens Grove Di is a prestressed concrete box beam or girders - multiple carrying Ch 1 (fas 573) over Trib Allens Grove Di in Menard 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 325 vehicles a day, roughly 3% of them trucks, projected to reach 328 by 2046. The structure is 56 ft (17.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCh 1 (fas 573)
CrossesTrib Allens Grove Di
Location3 MI E of Greenview
RouteCounty Highway 0
CountyMenard County
StateIllinois
Coordinates40.0916, -89.68189
Functional classRural Major Collector

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 inspectionNovember 2023
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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span53 ft (16.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2020)
Projected traffic328 by 2046
Trucks3%
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

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 1 (fas 573) over Trib Allens Grove Di built?

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

What condition is Ch 1 (fas 573) over Trib Allens Grove Di 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 November 2023.

How much traffic does Ch 1 (fas 573) over Trib Allens Grove Di carry?

About 325 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Ch 1 (fas 573) over Trib Allens Grove Di?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.3 m) and a deck 30 ft wide.

Who owns Ch 1 (fas 573) over Trib Allens Grove Di?

It is owned by the County Highway Agency.