US Bridges

Manor RD over Little Walnut Creek

Good

Travis County, Texas · 0.5 MI W of US 183 · Structure no. 142270B01388020

Built
1983
42 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
9,220
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Manor RD over Little Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying Manor RD over Little Walnut Creek in Travis County, Texas. It was built in 1983, so it is 42 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 9,220 vehicles a day, projected to reach 10,000 by 2032. The structure is 152 ft (46.3 m) long and 82 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesManor RD
CrossesLittle Walnut Creek
Location0.5 MI W of US 183
RouteCity Street 0
StateTexas
Coordinates30.30958, -97.66797
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span50 ft (15.2 m)
Deck width82 ft (25 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,220 (2010)
Projected traffic10,000 by 2032
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$19,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Manor RD over Little Walnut Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Manor RD over Little Walnut 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 Manor RD over Little Walnut Creek carry?

About 9,220 vehicles per day (2010 count).

How long is Manor RD over Little Walnut Creek?

The structure is 152 ft (46.3 m) long with a longest span of 50 ft (15.2 m) and a deck 82 ft wide.

Who owns Manor RD over Little Walnut Creek?

It is owned by the City or Municipal Highway Agency.