US Bridges

TR 81 B over Two Mile Branch

Fair

Moultrie County, Illinois · 3.0 MI N Sullivan · Structure no. 070430500000000

Built
1956
69 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 81 B over Two Mile Branch is a concrete continuous culvert carrying TR 81 B over Two Mile 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 26 ft (8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 81 B
CrossesTwo Mile Branch
Location3.0 MI N Sullivan
RouteCounty Highway 0
Coordinates39.65159, -88.58244
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 15
Structure length26 ft (8 m)
Longest span9 ft (2.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 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 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 TR 81 B over Two Mile Branch built?

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

What condition is TR 81 B over Two Mile 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 December 2024.

How much traffic does TR 81 B over Two Mile Branch carry?

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

How long is TR 81 B over Two Mile Branch?

The structure is 26 ft (8 m) long with a longest span of 9 ft (2.6 m) and a deck 22 ft wide.

Who owns TR 81 B over Two Mile Branch?

It is owned by the Town or Township Highway Agency.