US Bridges

FAS 774 over Otter Creek

Poor

Jersey County, Illinois · 2M S Fieldon · Structure no. 042309400000000

Built
1978
47 years old
Condition
Poor
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 774 over Otter Creek is a prestressed concrete box beam or girders - multiple carrying FAS 774 over Otter Creek in Jersey County, Illinois. It was built in 1978, so it is 47 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 4 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 225 vehicles a day, roughly 11% of them trucks, projected to reach 126 by 2046. The structure is 166 ft (50.6 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAS 774
CrossesOtter Creek
Location2M S Fieldon
RouteCounty Highway 0
Coordinates39.07336, -90.49275
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating24.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span54 ft (16.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic126 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 774 over Otter Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAS 774 over Otter 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 February 2024.

How much traffic does FAS 774 over Otter Creek carry?

About 225 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FAS 774 over Otter Creek?

The structure is 166 ft (50.6 m) long with a longest span of 54 ft (16.5 m) and a deck 30 ft wide.

Who owns FAS 774 over Otter Creek?

It is owned by the County Highway Agency.