US Bridges

Mill Street over Cedar Creek

Fair

Lake County, Indiana · 00.20 N. of Main St. · Structure no. 4500165

Built
1991
34 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
4,075
2019 count
Owner
County
County Highway Agency

About this bridge

Mill Street over Cedar Creek is a concrete continuous slab carrying Mill Street over Cedar Creek in Lake County, Indiana. It was built in 1991, so it is 34 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 4,075 vehicles a day, roughly 11% of them trucks, projected to reach 5,022 by 2040. The structure is 109 ft (33.2 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMill Street
CrossesCedar Creek
Location00.20 N. of Main St.
RouteCity Street 0
StateIndiana
Coordinates41.29607, -87.42142
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span41 ft (12.4 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,075 (2019)
Projected traffic5,022 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$336,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Street over Cedar Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mill Street over Cedar Creek 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 August 2024.

How much traffic does Mill Street over Cedar Creek carry?

About 4,075 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Mill Street over Cedar Creek?

The structure is 109 ft (33.2 m) long with a longest span of 41 ft (12.4 m) and a deck 30 ft wide.

Who owns Mill Street over Cedar Creek?

It is owned by the County Highway Agency.