US Bridges

US 6 FAS 1247 over South Ditch

Good

Bureau County, Illinois · 1 Mi. E. of Mineral · Structure no. 006200900000000

Built
1993
32 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
950
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 FAS 1247 over South Ditch is a concrete culvert carrying US 6 FAS 1247 over South Ditch in Bureau County, Illinois. It was built in 1993, so it is 32 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 950 vehicles a day, roughly 13% of them trucks, projected to reach 783 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 6 FAS 1247
CrossesSouth Ditch
Location1 Mi. E. of Mineral
RouteU.S. Route 6
Coordinates41.37643, -89.81388
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic783 by 2046
Trucks13%
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

OwnerState Highway Agency
Maintained byState 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 US 6 FAS 1247 over South Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 6 FAS 1247 over South Ditch 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 December 2021.

How much traffic does US 6 FAS 1247 over South Ditch carry?

About 950 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 6 FAS 1247 over South Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m).

Who owns US 6 FAS 1247 over South Ditch?

It is owned by the State Highway Agency.