US Bridges

Maple LN - TR 189 over Big Creek

Good

Fulton County, Illinois · NW-34-T7NR4E · Structure no. 029409400000000

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
850
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Maple LN - TR 189 over Big Creek is a prestressed concrete box beam or girders - multiple carrying Maple LN - TR 189 over Big Creek in Fulton County, Illinois. It was built in 1980, so it is 45 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 2% of them trucks, projected to reach 859 by 2046. The structure is 78 ft (23.8 m) long and 24 ft wide.

CarriesMaple LN - TR 189
CrossesBig Creek
LocationNW-34-T7NR4E
RouteCounty Highway 0
Coordinates40.54915, -90.04594
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span73 ft (22.3 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2020)
Projected traffic859 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Maple LN - TR 189 over Big Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Maple LN - TR 189 over Big Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Maple LN - TR 189 over Big Creek carry?

About 850 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Maple LN - TR 189 over Big Creek?

The structure is 78 ft (23.8 m) long with a longest span of 73 ft (22.3 m) and a deck 24 ft wide.

Who owns Maple LN - TR 189 over Big Creek?

It is owned by the Town or Township Highway Agency.