US Bridges

Co. Rd. 20 over Miflin Creek

Good

Baldwin County, Alabama · 2.8 Mi. W. of Co. Rd. 87 · Structure no. 016027

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
272 ft
8 main spans
Daily traffic
2,292
2024 count
Owner
County
County Highway Agency

About this bridge

Co. Rd. 20 over Miflin Creek is a concrete channel beam carrying Co. Rd. 20 over Miflin Creek in Baldwin County, Alabama. It was built in 1995, so it is 30 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,292 vehicles a day, roughly 1% of them trucks, projected to reach 4,077 by 2044. The structure is 272 ft (82.9 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCo. Rd. 20
CrossesMiflin Creek
Location2.8 Mi. W. of Co. Rd. 87
RouteCounty Highway 20
StateAlabama
Coordinates30.36391, -87.60245
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60.5 US tons
Inventory rating36.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length272 ft (82.9 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,292 (2024)
Projected traffic4,077 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rd. 20 over Miflin Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Co. Rd. 20 over Miflin 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 September 2023.

How much traffic does Co. Rd. 20 over Miflin Creek carry?

About 2,292 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Co. Rd. 20 over Miflin Creek?

The structure is 272 ft (82.9 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Co. Rd. 20 over Miflin Creek?

It is owned by the County Highway Agency.