US Bridges

FAS 1481-TOWNLINE over Little Mackinaw Rv

Fair

Tazewell County, Illinois · N.CTR-3-T23NR2W · Structure no. 090321700000000

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
128 ft
3 main spans
Daily traffic
1,100
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 1481-TOWNLINE over Little Mackinaw Rv is a concrete slab carrying FAS 1481-TOWNLINE over Little Mackinaw Rv in Tazewell County, Illinois. It was built in 1995, so it is 30 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 1,100 vehicles a day, roughly 10% of them trucks, projected to reach 909 by 2046. The structure is 128 ft (39 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAS 1481-TOWNLINE
CrossesLittle Mackinaw Rv
LocationN.CTR-3-T23NR2W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.48478, -89.31531
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span48 ft (14.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic909 by 2046
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 1481-TOWNLINE over Little Mackinaw Rv built?

It was built in 1995, making it 30 years old in 2025.

What condition is FAS 1481-TOWNLINE over Little Mackinaw Rv 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 2024.

How much traffic does FAS 1481-TOWNLINE over Little Mackinaw Rv carry?

About 1,100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FAS 1481-TOWNLINE over Little Mackinaw Rv?

The structure is 128 ft (39 m) long with a longest span of 48 ft (14.5 m) and a deck 28 ft wide.

Who owns FAS 1481-TOWNLINE over Little Mackinaw Rv?

It is owned by the County Highway Agency.