US Bridges

N Alden Bridge DR over Alden Branch

Good

Montgomery County, Texas · 0.6 MI NE of Research Frs · Structure no. 121700AA0541001

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
5,375
2020 count
Owner
County
County Highway Agency

About this bridge

N Alden Bridge DR over Alden Branch is a concrete culvert carrying N Alden Bridge DR over Alden Branch in Montgomery County, Texas. It was built in 1997, so it is 28 years old, younger than the Texas average of 44.4 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 5,375 vehicles a day, projected to reach 3,000 by 2035. The structure is 37 ft (11.3 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN Alden Bridge DR
CrossesAlden Branch
Location0.6 MI NE of Research Frs
RouteCounty Highway 0
CountyMontgomery County
StateTexas
Coordinates30.218, -95.52564
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width52 ft (15.8 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,375 (2020)
Projected traffic3,000 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 N Alden Bridge DR over Alden Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is N Alden Bridge DR over Alden Branch 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 N Alden Bridge DR over Alden Branch carry?

About 5,375 vehicles per day (2020 count).

How long is N Alden Bridge DR over Alden Branch?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns N Alden Bridge DR over Alden Branch?

It is owned by the County Highway Agency.