US Bridges

TR 89 over Baldwin Branch

Fair

Adams County, Illinois · 2.2MI NE Mendon · Structure no. 001338100000000

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
125
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 89 over Baldwin Branch is a prestressed concrete box beam or girders - multiple carrying TR 89 over Baldwin Branch in Adams County, Illinois. It was built in 1993, so it is 32 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 125 vehicles a day, roughly 8% of them trucks, projected to reach 126 by 2046. The structure is 82 ft (25 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 89
CrossesBaldwin Branch
Location2.2MI NE Mendon
RouteCounty Highway 0
Coordinates40.10508, -91.23344
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span78 ft (23.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic126 by 2046
Trucks8%
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 89 over Baldwin Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is TR 89 over Baldwin 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 February 2024.

How much traffic does TR 89 over Baldwin Branch carry?

About 125 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is TR 89 over Baldwin Branch?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.9 m) and a deck 24 ft wide.

Who owns TR 89 over Baldwin Branch?

It is owned by the Town or Township Highway Agency.