US Bridges

Maple Ave over Knights Branch

Good

Dallas County, Texas · 0.1 MI NW of Inwood RD · Structure no. 1805709M0980001

Built
1973
52 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
9,596
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maple Ave over Knights Branch is a concrete culvert carrying Maple Ave over Knights Branch in Dallas County, Texas. It was built in 1973, so it is 52 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 9,596 vehicles a day, roughly 3% of them trucks, projected to reach 13,738 by 2041. The structure is 32 ft (9.8 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMaple Ave
CrossesKnights Branch
Location0.1 MI NW of Inwood RD
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.82235, -96.83766
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width88 ft (26.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,596 (2022)
Projected traffic13,738 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maple Ave over Knights Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Maple Ave over Knights 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 May 2023.

How much traffic does Maple Ave over Knights Branch carry?

About 9,596 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Maple Ave over Knights Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 88 ft wide.

Who owns Maple Ave over Knights Branch?

It is owned by the City or Municipal Highway Agency.