US Bridges

TR 473 over Sherry Crk.

Good

Macoupin County, Illinois · 5 MI W Stauton · Structure no. 059321100000000

Built
1900
125 years old, rebuilt 1978
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 473 over Sherry Crk. is a prestressed concrete box beam or girders - multiple carrying TR 473 over Sherry Crk. in Macoupin County, Illinois. It was built in 1900 and reconstructed in 1978, so it is 125 years old, older 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 175 vehicles a day, roughly 5% of them trucks, projected to reach 177 by 2046. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 473
CrossesSherry Crk.
Location5 MI W Stauton
RouteCounty Highway 0
Coordinates39.00184, -89.91379
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic177 by 2046
Trucks5%
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 TR 473 over Sherry Crk. built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1978.

What condition is TR 473 over Sherry Crk. 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 July 2023.

How much traffic does TR 473 over Sherry Crk. carry?

About 175 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is TR 473 over Sherry Crk.?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns TR 473 over Sherry Crk.?

It is owned by the Town or Township Highway Agency.