US Bridges

FAS 1405-CH 12 over North Pope Creek

Fair

Mercer County, Illinois · NW-23-T14NR1W · Structure no. 066306100000000

Built
1971
54 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1405-CH 12 over North Pope Creek is a prestressed concrete box beam or girders - multiple carrying FAS 1405-CH 12 over North Pope Creek in Mercer County, Illinois. It was built in 1971, so it is 54 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 42% of them trucks, projected to reach 101 by 2046. The structure is 64 ft (19.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1405-CH 12
CrossesNorth Pope Creek
LocationNW-23-T14NR1W
RouteCounty Highway 0
Coordinates41.18878, -90.47518
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic101 by 2046
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 FAS 1405-CH 12 over North Pope Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FAS 1405-CH 12 over North Pope 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 December 2024.

How much traffic does FAS 1405-CH 12 over North Pope Creek carry?

About 100 vehicles per day (2024 count), of which roughly 42% are trucks.

How long is FAS 1405-CH 12 over North Pope Creek?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns FAS 1405-CH 12 over North Pope Creek?

It is owned by the County Highway Agency.