US Bridges

FAS 1405-CH 12 over Pope Creek

Poor

Mercer County, Illinois · SW-35-T14NR1W · Structure no. 066306000000000

Built
1971
54 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1405-CH 12 over Pope Creek is a prestressed concrete box beam or girders - multiple carrying FAS 1405-CH 12 over 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, roughly 38% of them trucks, projected to reach 51 by 2046. The structure is 89 ft (27.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1405-CH 12
CrossesPope Creek
LocationSW-35-T14NR1W
RouteCounty Highway 0
Coordinates41.15716, -90.47567
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length89 ft (27.1 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks38%
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 Pope Creek built?

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

What condition is FAS 1405-CH 12 over Pope Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

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

About 50 vehicles per day (2024 count), of which roughly 38% are trucks.

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

The structure is 89 ft (27.1 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns FAS 1405-CH 12 over Pope Creek?

It is owned by the County Highway Agency.