US Bridges

FAP 873-IL 149 over Prairie Creek

Fair

Franklin County, Illinois · 2 MI E Il 184 · Structure no. 028007000000000

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 873-IL 149 over Prairie Creek is a concrete continuous slab carrying FAP 873-IL 149 over Prairie Creek in Franklin County, Illinois. It was built in 1999, so it is 26 years old, younger 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 6 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 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 2,879 by 2046. The structure is 105 ft (32.1 m) long and 39 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAP 873-IL 149
CrossesPrairie Creek
Location2 MI E Il 184
RouteState Highway 149
CountyFranklin County
StateIllinois
Coordinates37.89185, -89.08004
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating93.6 US tons
Inventory rating56.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span38 ft (11.5 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,879 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 FAP 873-IL 149 over Prairie Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is FAP 873-IL 149 over Prairie 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 February 2024.

How much traffic does FAP 873-IL 149 over Prairie Creek carry?

About 2,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FAP 873-IL 149 over Prairie Creek?

The structure is 105 ft (32.1 m) long with a longest span of 38 ft (11.5 m) and a deck 39 ft wide.

Who owns FAP 873-IL 149 over Prairie Creek?

It is owned by the State Highway Agency.