US Bridges

TR 349 over Little Mill Creek

Good

Adams County, Illinois · 0.07 MI W TR 152 · Structure no. 001343300000000

Built
2016
9 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
1,100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 349 over Little Mill Creek is a prestressed concrete box beam or girders - multiple carrying TR 349 over Little Mill Creek in Adams County, Illinois. It was built in 2016, so it is 9 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,100 vehicles a day, roughly 7% of them trucks, projected to reach 1,515 by 2046. The structure is 67 ft (20.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 349
CrossesLittle Mill Creek
Location0.07 MI W TR 152
RouteCounty Highway 0
Coordinates39.96112, -91.30272
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span64 ft (19.4 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2024)
Projected traffic1,515 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 349 over Little Mill Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is TR 349 over Little Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2022.

How much traffic does TR 349 over Little Mill Creek carry?

About 1,100 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is TR 349 over Little Mill Creek?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.4 m) and a deck 28 ft wide.

Who owns TR 349 over Little Mill Creek?

It is owned by the Town or Township Highway Agency.