US Bridges

US 6 FAS 1247 over King Creek

Fair

Bureau County, Illinois · W. Edge of Mineral · Structure no. 006006100000000

Built
1955
70 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
1,050
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 FAS 1247 over King Creek is a concrete continuous slab carrying US 6 FAS 1247 over King Creek in Bureau County, Illinois. It was built in 1955, so it is 70 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,050 vehicles a day, roughly 14% of them trucks, projected to reach 1,111 by 2046. The structure is 95 ft (29 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesUS 6 FAS 1247
CrossesKing Creek
LocationW. Edge of Mineral
RouteU.S. Route 6
CountyBureau County
StateIllinois
Coordinates41.38317, -89.84357
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29 m)
Longest span35 ft (10.8 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,111 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 King Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 6 FAS 1247 over King Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does US 6 FAS 1247 over King Creek carry?

About 1,050 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 6 FAS 1247 over King Creek?

The structure is 95 ft (29 m) long with a longest span of 35 ft (10.8 m) and a deck 36 ft wide.

Who owns US 6 FAS 1247 over King Creek?

It is owned by the State Highway Agency.