US Bridges

Manor RD over Tannehill Branch

Good

Travis County, Texas · 1.6 MI S of Springdale RD · Structure no. 142270B00932005

Built
1957
68 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
5,472
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Manor RD over Tannehill Branch is a concrete culvert carrying Manor RD over Tannehill Branch in Travis County, Texas. It was built in 1957, so it is 68 years old, older 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 5,472 vehicles a day, projected to reach 16,030 by 2032. The structure is 23 ft (7 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesManor RD
CrossesTannehill Branch
Location1.6 MI S of Springdale RD
RouteCity Street 0
StateTexas
Coordinates30.29584, -97.68838
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,472 (2020)
Projected traffic16,030 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Manor RD over Tannehill Branch built?

It was built in 1957, making it 68 years old in 2025.

What condition is Manor RD over Tannehill 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 February 2024.

How much traffic does Manor RD over Tannehill Branch carry?

About 5,472 vehicles per day (2020 count).

How long is Manor RD over Tannehill Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 56 ft wide.

Who owns Manor RD over Tannehill Branch?

It is owned by the City or Municipal Highway Agency.