US Bridges

TR 91A Button over Stream

Fair

Ford County, Illinois · 2770E 500N · Structure no. 027318400000000

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
75
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 91A Button over Stream is a concrete continuous culvert carrying TR 91A Button over Stream in Ford County, Illinois. It was built in 1968, so it is 57 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 34 ft (10.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 91A Button
CrossesStream
Location2770E 500N
RouteCounty Highway 0
CountyFord County
StateIllinois
Coordinates40.47156, -87.93842
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length34 ft (10.4 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.7 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic76 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$119,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 91A Button over Stream built?

It was built in 1968, making it 57 years old in 2025.

What condition is TR 91A Button over Stream 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 May 2023.

How much traffic does TR 91A Button over Stream carry?

About 75 vehicles per day (2023 count).

How long is TR 91A Button over Stream?

The structure is 34 ft (10.4 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns TR 91A Button over Stream?

It is owned by the Town or Township Highway Agency.