US Bridges

TR 108 over Baker Run

Fair

Livingston County, Illinois · 2310N 1300E · Structure no. 053414800000000

Built
1998
27 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
92 ft
3 main spans
Daily traffic
200
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 108 over Baker Run is a concrete channel beam carrying TR 108 over Baker Run in Livingston County, Illinois. It was built in 1998, so it is 27 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 227 by 2046. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 108
CrossesBaker Run
Location2310N 1300E
RouteCounty Highway 0
Coordinates40.96204, -88.68224
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic227 by 2046
Trucks6%
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 108 over Baker Run built?

It was built in 1998, making it 27 years old in 2025.

What condition is TR 108 over Baker Run 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 November 2024.

How much traffic does TR 108 over Baker Run carry?

About 200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is TR 108 over Baker Run?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns TR 108 over Baker Run?

It is owned by the Town or Township Highway Agency.