US Bridges

G 76 over I 35

Good

Warren County, Iowa · At Jct. I-35 · Structure no. 000000000051181

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
2 main spans
Daily traffic
1,792
2022 count
Owner
State
State Highway Agency

About this bridge

G 76 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying G 76 over I 35 in Warren County, Iowa. It was built in 2017, so it is 8 years old, younger than the Iowa average of 45.5 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 1,792 vehicles a day, roughly 11% of them trucks, projected to reach 1,792 by 2043. The structure is 215 ft (65.5 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesG 76
CrossesI 35
LocationAt Jct. I-35
RouteCounty Highway 0
StateIowa
Coordinates41.17656, -93.78449
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length215 ft (65.5 m)
Longest span106 ft (32.3 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,792 (2022)
Projected traffic1,792 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was G 76 over I 35 built?

It was built in 2017, making it 8 years old in 2025.

What condition is G 76 over I 35 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 August 2023.

How much traffic does G 76 over I 35 carry?

About 1,792 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is G 76 over I 35?

The structure is 215 ft (65.5 m) long with a longest span of 106 ft (32.3 m) and a deck 44 ft wide.

Who owns G 76 over I 35?

It is owned by the State Highway Agency.