US Bridges

Monster Ln-Tr 520 over W Br Copperas Creek

Fair

Fulton County, Illinois · W 1/2-33-T7NR5E · Structure no. 029418000000000

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Monster Ln-Tr 520 over W Br Copperas Creek is a prestressed concrete box beam or girders - multiple carrying Monster Ln-Tr 520 over W Br Copperas Creek in Fulton County, Illinois. It was built in 1990, so it is 35 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 64 ft (19.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMonster Ln-Tr 520
CrossesW Br Copperas Creek
LocationW 1/2-33-T7NR5E
RouteCounty Highway 0
Coordinates40.54611, -89.94458
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.4 m)
Longest span61 ft (18.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks0%
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

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 Monster Ln-Tr 520 over W Br Copperas Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Monster Ln-Tr 520 over W Br Copperas 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 October 2024.

How much traffic does Monster Ln-Tr 520 over W Br Copperas Creek carry?

About 75 vehicles per day (2020 count).

How long is Monster Ln-Tr 520 over W Br Copperas Creek?

The structure is 64 ft (19.4 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.

Who owns Monster Ln-Tr 520 over W Br Copperas Creek?

It is owned by the Town or Township Highway Agency.