US Bridges

E 48 E Ave over Morgan Creek

Good

Linn County, Iowa · IA100 & SR E48 Intchg · Structure no. 000000000700645

Built
2016
9 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
1 main span
Daily traffic
304
2022 count
Owner
County
County Highway Agency

About this bridge

E 48 E Ave over Morgan Creek is a prestressed concrete stringer/multi-beam or girder carrying E 48 E Ave over Morgan Creek in Linn County, Iowa. It was built in 2016, so it is 9 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 304 vehicles a day, roughly 23% of them trucks, projected to reach 304 by 2044. The structure is 158 ft (48.3 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE 48 E Ave
CrossesMorgan Creek
LocationIA100 & SR E48 Intchg
RouteCounty Highway 0
StateIowa
Coordinates41.97874, -91.77919
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable 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 spans1
Design loadHL 93
Structure length158 ft (48.3 m)
Longest span155 ft (47.2 m)
Deck width75 ft (23 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic304 (2022)
Projected traffic304 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 E 48 E Ave over Morgan Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is E 48 E Ave over Morgan Creek 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 March 2024.

How much traffic does E 48 E Ave over Morgan Creek carry?

About 304 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is E 48 E Ave over Morgan Creek?

The structure is 158 ft (48.3 m) long with a longest span of 155 ft (47.2 m) and a deck 75 ft wide.

Who owns E 48 E Ave over Morgan Creek?

It is owned by the County Highway Agency.