US Bridges

TR 97 over Bolin Branch

Fair

Moultrie County, Illinois · .25 MI W Douglas CO · Structure no. 070431800000000

Built
1956
69 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 97 over Bolin Branch is a steel culvert carrying TR 97 over Bolin Branch in Moultrie County, Illinois. It was built in 1956, so it is 69 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 105 by 2046. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 97
CrossesBolin Branch
Location.25 MI W Douglas CO
RouteCounty Highway 0
CountyMoultrie County
StateIllinois
Coordinates39.63327, -88.47854
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic105 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 TR 97 over Bolin Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is TR 97 over Bolin Branch 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 January 2025.

How much traffic does TR 97 over Bolin Branch carry?

About 100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is TR 97 over Bolin Branch?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 23 ft wide.

Who owns TR 97 over Bolin Branch?

It is owned by the Town or Township Highway Agency.