Miller HWY over Big Creek

Fair

Eaton County, Michigan · 2 MI E of Olivet · Structure no. 000000000002426

Built: 1972; 53 years old
Condition: Fair; inspected June 2023
Type: Slab; Wood or Timber
Length: 24 ft; 1 main span
Daily traffic: 102; 2005 count
Owner: County; County Highway Agency

About this bridge

Miller HWY over Big Creek is a wood or timber slab carrying Miller HWY over Big Creek in Eaton County, Michigan. It was built in 1972, so it is 53 years old, older than the Michigan average of 48.3 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 102 vehicles a day, projected to reach 200 by 2013. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMiller HWY

CrossesBig Creek

Location2 MI E of Olivet

RouteCounty Highway 0

CountyEaton County

StateMichigan

Coordinates42.45933, -84.88312

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionJune 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourUnknown foundation; not evaluated for scour

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating41.1 US tons

Inventory rating33.2 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans1

Design loadH 20

Structure length24 ft (7.3 m)

Longest span23 ft (7 m)

Deck width28 ft (8.4 m)

Roadway width26 ft (8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2005)

Projected traffic200 by 2013

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 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 Miller HWY over Big Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Miller HWY over Big 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 June 2023.

How much traffic does Miller HWY over Big Creek carry?

About 102 vehicles per day (2005 count).

How long is Miller HWY over Big Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns Miller HWY over Big Creek?

It is owned by the County Highway Agency.