US Bridges

Ch 8 over Jenkins Creek

Fair

Adams County, Illinois · 1.4 Mi. W Marcelline · Structure no. 001330200000000

Built
1900
125 years old, rebuilt 1976
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
107 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 8 over Jenkins Creek is a prestressed concrete box beam or girders - multiple carrying Ch 8 over Jenkins Creek in Adams County, Illinois. It was built in 1900 and reconstructed in 1976, 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 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 100 vehicles a day, roughly 7% of them trucks, projected to reach 152 by 2046. The structure is 107 ft (32.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCh 8
CrossesJenkins Creek
Location1.4 Mi. W Marcelline
RouteCounty Highway 0
CountyAdams County
StateIllinois
Coordinates40.11828, -91.39667
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span52 ft (15.8 m)
Deck width30 ft (9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic152 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 8 over Jenkins Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1976.

What condition is Ch 8 over Jenkins 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 April 2024.

How much traffic does Ch 8 over Jenkins Creek carry?

About 100 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ch 8 over Jenkins Creek?

The structure is 107 ft (32.6 m) long with a longest span of 52 ft (15.8 m) and a deck 30 ft wide.

Who owns Ch 8 over Jenkins Creek?

It is owned by the County Highway Agency.