US Bridges

Hungerford ST over I-496

Fair

Ingham County, Michigan · W Lts of Lansing · Structure no. 000000000003749

Built
1969
56 years old, rebuilt 2022
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
216 ft
4 main spans
Daily traffic
4,770
1993 count
Owner
State
State Highway Agency

About this bridge

Hungerford ST over I-496 is a steel stringer/multi-beam or girder carrying Hungerford ST over I-496 in Ingham County, Michigan. It was built in 1969 and reconstructed in 2022, so it is 56 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 4,770 vehicles a day, roughly 1% of them trucks, projected to reach 4,130 by 2013. The structure is 216 ft (65.9 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHungerford ST
CrossesI-496
LocationW Lts of Lansing
RouteCounty Highway 0
CountyIngham County
StateMichigan
Coordinates42.72618, -84.58324
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 10 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length216 ft (65.9 m)
Longest span86 ft (26.2 m)
Deck width44 ft (13.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,770 (1993)
Projected traffic4,130 by 2013
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$151,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hungerford ST over I-496 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2022.

What condition is Hungerford ST over I-496 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 Hungerford ST over I-496 carry?

About 4,770 vehicles per day (1993 count), of which roughly 1% are trucks.

How long is Hungerford ST over I-496?

The structure is 216 ft (65.9 m) long with a longest span of 86 ft (26.2 m) and a deck 44 ft wide.

Who owns Hungerford ST over I-496?

It is owned by the State Highway Agency.