US Bridges

Ch 10 over May Branch

Good

Macoupin County, Illinois · 2 M E Plainview · Structure no. 059332900000000

Built
2013
12 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
125
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 10 over May Branch is a prestressed concrete box beam or girders - multiple carrying Ch 10 over May Branch in Macoupin 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 12% of them trucks, projected to reach 126 by 2046. The structure is 66 ft (20 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 10
CrossesMay Branch
Location2 M E Plainview
RouteCounty Highway 0
Coordinates39.15902, -89.956
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length66 ft (20 m)
Longest span66 ft (20 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic126 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 10 over May Branch built?

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

What condition is Ch 10 over May 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 January 2023.

How much traffic does Ch 10 over May Branch carry?

About 125 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Ch 10 over May Branch?

The structure is 66 ft (20 m) long with a longest span of 66 ft (20 m) and a deck 27 ft wide.

Who owns Ch 10 over May Branch?

It is owned by the County Highway Agency.