US Bridges

TR 422 over Richardson Branch

Good

Macoupin County, Illinois · 1 M SW Standard Cty · Structure no. 059500800000000

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
35
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 422 over Richardson Branch is a steel culvert carrying TR 422 over Richardson Branch in Macoupin 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 35 vehicles a day, roughly 17% of them trucks, projected to reach 35 by 2046. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 422
CrossesRichardson Branch
Location1 M SW Standard Cty
RouteCounty Highway 0
Coordinates39.33139, -89.81381
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2021)
Projected traffic35 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 422 over Richardson Branch built?

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

What condition is TR 422 over Richardson 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 2023.

How much traffic does TR 422 over Richardson Branch carry?

About 35 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is TR 422 over Richardson Branch?

The structure is 25 ft (7.5 m) long with a longest span of 11 ft (3.4 m).

Who owns TR 422 over Richardson Branch?

It is owned by the Town or Township Highway Agency.