US Bridges

TR 287 Swan Pond R over FAI 57 & US 51

Fair

Union County, Illinois · 0.1 MI S Dongola · Structure no. 091004600000000

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
255 ft
4 main spans
Daily traffic
50
2020 count
Owner
State
State Highway Agency

About this bridge

TR 287 Swan Pond R over FAI 57 & US 51 is a concrete continuous tee beam carrying TR 287 Swan Pond R over FAI 57 & US 51 in Union County, Illinois. It was built in 1957, so it is 68 years old, older 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 255 ft (77.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 287 Swan Pond R
CrossesFAI 57 & US 51
Location0.1 MI S Dongola
RouteCounty Highway 0
Coordinates37.35267, -89.15565
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length255 ft (77.7 m)
Longest span75 ft (22.9 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 287 Swan Pond R over FAI 57 & US 51 built?

It was built in 1957, making it 68 years old in 2025.

What condition is TR 287 Swan Pond R over FAI 57 & US 51 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 September 2024.

How much traffic does TR 287 Swan Pond R over FAI 57 & US 51 carry?

About 50 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is TR 287 Swan Pond R over FAI 57 & US 51?

The structure is 255 ft (77.7 m) long with a longest span of 75 ft (22.9 m) and a deck 30 ft wide.

Who owns TR 287 Swan Pond R over FAI 57 & US 51?

It is owned by the State Highway Agency.