US Bridges

US Route 52 over Brnch Green River

Fair

Lee County, Illinois · 3.0 MI SE Amboy · Structure no. 052007400000000

Built
2002
23 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

US Route 52 over Brnch Green River is a concrete continuous slab carrying US Route 52 over Brnch Green River in Lee County, Illinois. It was built in 2002, so it is 23 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 2,300 vehicles a day, roughly 17% of them trucks, projected to reach 2,121 by 2046. The structure is 93 ft (28.4 m) long and 35 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesUS Route 52
CrossesBrnch Green River
Location3.0 MI SE Amboy
RouteU.S. Route 52
Coordinates41.67964, -89.28387
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span36 ft (11 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,121 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 US Route 52 over Brnch Green River built?

It was built in 2002, making it 23 years old in 2025.

What condition is US Route 52 over Brnch Green River 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 June 2024.

How much traffic does US Route 52 over Brnch Green River carry?

About 2,300 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US Route 52 over Brnch Green River?

The structure is 93 ft (28.4 m) long with a longest span of 36 ft (11 m) and a deck 35 ft wide.

Who owns US Route 52 over Brnch Green River?

It is owned by the State Highway Agency.