US Bridges

TR 341 over South Fork Drainage

Good

Sangamon County, Illinois · 2 SE of New City · Structure no. 084322600000000

Built
1968
57 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel
Length
57 ft
2 main spans
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 341 over South Fork Drainage is a steel culvert carrying TR 341 over South Fork Drainage in Sangamon County, Illinois. It was built in 1968, so it is 57 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 75 vehicles a day, roughly 13% of them trucks, projected to reach 76 by 2046. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 341
CrossesSouth Fork Drainage
Location2 SE of New City
RouteCounty Highway 0
Coordinates39.65553, -89.50602
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length57 ft (17.4 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic76 by 2046
Trucks13%
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 341 over South Fork Drainage built?

It was built in 1968, making it 57 years old in 2025.

What condition is TR 341 over South Fork Drainage 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 341 over South Fork Drainage carry?

About 75 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is TR 341 over South Fork Drainage?

The structure is 57 ft (17.4 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

Who owns TR 341 over South Fork Drainage?

It is owned by the Town or Township Highway Agency.